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A370968
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A008336 sorted and duplicates removed.
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3
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1, 2, 6, 20, 24, 120, 140, 858, 924, 1008, 1120, 10080, 11088, 12012, 12870, 176358, 184756, 194480, 205920, 3500640, 3695120, 3879876, 4056234, 87253605, 90262350, 93605400, 97349616, 2433740400, 2527345800, 2617608150, 2704861755, 57176602275, 79526843550, 81676217700, 84009823920, 86555576160, 2630123704650, 2687300306925, 2856334013280
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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In fact 1 is the only repeated term in A008336 (see that entry for proof).
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LINKS
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Michael De Vlieger, Plot p(i)^m(i) | a(n) at (x,y) = (n,i), n = 1..1024, 4X vertical exaggeration, with a color function where m(i) = 1 is black, m(i) = 2 is red, ... largest m(i) for n <= 1024 is in magenta.
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EXAMPLE
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Table of first terms showing exponents of prime factors p | a(n), with "." signifying p^0.
primes
1111
n a(n) 23571379
-----------------------
1 1 .
2 2 1
3 6 11
4 20 2.1
5 24 31
6 120 311
7 140 2.11
8 858 11..11
9 924 21.11
10 1008 42.1
11 1120 5.11
12 10080 5211
13 11088 42.11
14 12012 21.111
15 12870 121.11
16 176358 11.1.111
17 184756 2...1111
18 194480 4.1.111
19 205920 521.11
20 3500640 521.111 (End)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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