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#10 by Vaclav Kotesovec at Tue Aug 26 17:04:45 EDT 2014
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#9 by Vaclav Kotesovec at Tue Aug 26 16:52:11 EDT 2014
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| FORMULA
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a(n) ~ c * (3*sqrt(3)/(2*Pi))^n * n! * n^7, where c = 0.0000001405593242634352116... . - _... = c0 * (c0-1)^7 / (3^7 * 7!), and c0 = (1 + exp(Pi/sqrt(3))) * sqrt(3) / (2*Pi). - _Vaclav Kotesovec_, Aug 26 2014
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| STATUS
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approved
editing
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#8 by Vaclav Kotesovec at Tue Aug 26 10:38:42 EDT 2014
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#7 by Vaclav Kotesovec at Tue Aug 26 10:38:37 EDT 2014
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| FORMULA
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a(n) ~ c * (3*sqrt(3)/(2*Pi))^n * n! * n^7, where c = 0.000000140559324260000001405593242634352116... . - Vaclav Kotesovec, Aug 26 2014
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| STATUS
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approved
editing
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#6 by Vaclav Kotesovec at Tue Aug 26 05:47:52 EDT 2014
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#5 by Vaclav Kotesovec at Tue Aug 26 05:47:45 EDT 2014
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| FORMULA
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a(n) ~ c * (3*sqrt(3)/(2*Pi))^n * n! * n^7, where c = 0.00000014055932426... . - Vaclav Kotesovec, Aug 26 2014
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| STATUS
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approved
editing
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#4 by Alois P. Heinz at Wed Aug 20 22:24:41 EDT 2014
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#3 by Alois P. Heinz at Wed Aug 20 22:24:36 EDT 2014
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| LINKS
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Alois P. Heinz, <a href="/A246252/b246252.txt">Table of n, a(n) for n = 22..160</a>
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#2 by Alois P. Heinz at Wed Aug 20 17:13:40 EDT 2014
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| NAME
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allocated for Alois P. Heinz
Number of permutations of [n] with exactly seven occurrences of the consecutive step pattern up, down, down.
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| DATA
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2172534146099019, 336291324862551606, 31816048233798681066, 2348418329934108057072, 149140942861163014893024, 8573289075750149662810032, 460018114299281721089786796, 23509721961960146267578379640, 1160583084129910496820714859320
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| OFFSET
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22,1
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| CROSSREFS
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Column k=7 of A242819.
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| KEYWORD
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allocated
nonn
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| AUTHOR
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Alois P. Heinz, Aug 20 2014
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| STATUS
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approved
editing
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#1 by Alois P. Heinz at Wed Aug 20 16:43:12 EDT 2014
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| NAME
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allocated for Alois P. Heinz
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| KEYWORD
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allocated
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| STATUS
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approved
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