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Search: id:A147681
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| A147681 |
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Late-growing permutations: number of permutations of 1..n with every partial sum <= the same partial sum averaged over all permutations. |
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+0
19
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| 1, 1, 3, 7, 35, 139, 1001, 5701, 53109, 402985, 4605271, 43665667, 589809987, 6735960079, 104899483845, 1402547616085, 24698838710457, 378845419610773, 7444522779300351, 128830635114146047, 2792467448952670671
(list; graph; listen)
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OFFSET
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1,3
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CROSSREFS
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This the first of 19 related sequence, the others being A147682, A147684, A147686, A147687, A147692, A147694,
A147695, A147697, A147698, A147700, A147705, A147707, A147712, A147713, A147714, A147715, A147717, A147769.
Sequence in context: A081890 A047907 A145874 this_sequence A055487 A121130 A006099
Adjacent sequences: A147678 A147679 A147680 this_sequence A147682 A147683 A147684
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KEYWORD
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nonn
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AUTHOR
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Ron Hardin (rhhardin(AT)att.net) May 01 2009
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