A147705 - OEIS

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A147705

Late-growing permutations: number of permutations of 12 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.

1, 208012, 260363981732400, 6692030708288364864188400, 10232120200642411474243152429724152000, 86658540597515379404676466333427087630920602972939

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A147681.

Column k=12 of A215561.

Sequence in context: A362758 A216900 A072679 * A237971 A282989 A233663

Adjacent sequences: A147702 A147703 A147704 * A147706 A147707 A147708

KEYWORD

nonn

AUTHOR

R. H. Hardin May 01 2009

STATUS

approved