Revision History for A341900
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing entries 1-10
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#14 by R. J. Mathar at Fri Jun 04 11:19:12 EDT 2021
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#13 by Alois P. Heinz at Fri Jun 04 11:14:01 EDT 2021
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#12 by Alois P. Heinz at Fri Jun 04 11:13:49 EDT 2021
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#11 by Alois P. Heinz at Fri Jun 04 11:13:37 EDT 2021
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#10 by Joerg Arndt at Fri Jun 04 10:51:34 EDT 2021
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#9 by Alois P. Heinz at Fri Jun 04 10:09:09 EDT 2021
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#8 by Alois P. Heinz at Fri Jun 04 10:06:02 EDT 2021
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| DATA
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0, 1, 2, 7, 26, 127, 746, 5167, 41066, 368047, 3669866, 40284847, 482671466, 6267305647, 87660962666, 1313941673647, 21010450850666, 357001369769647, 6423384156578666, 122002101778601647, 2439325392333218666, 51212944273488041647, 1126440053169940898666
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#7 by Alois P. Heinz at Fri Jun 04 10:05:08 EDT 2021
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#6 by R. J. Mathar at Fri Jun 04 09:52:19 EDT 2021
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#5 by R. J. Mathar at Fri Jun 04 09:52:11 EDT 2021
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| NAME
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allocated for R. J. Mathar
Partial sums of A005165.
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| DATA
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0, 1, 2, 7, 26, 127, 746, 5167, 41066, 368047, 3669866, 40284847, 482671466, 6267305647, 87660962666, 1313941673647, 21010450850666, 357001369769647, 6423384156578666, 122002101778601647, 2439325392333218666
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| OFFSET
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0,3
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| FORMULA
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a(n)-a(n-1) = A005165(n).
a(n) = Sum_{i=0.. (n-1)/2) } (n-2*i)!.
a(n) = A136580(n) - A059841(n).
D-finite with recurrence a(n) -n*a(n-1) -a(n-2) +n*a(n-3)=0.
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| CROSSREFS
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Cf. A005165, A136580.
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| KEYWORD
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allocated
nonn,easy
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| AUTHOR
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R. J. Mathar, Jun 04 2021
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| STATUS
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approved
editing
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