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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.
2
1, 208012, 260363981732400, 6692030708288364864188400, 10232120200642411474243152429724152000, 86658540597515379404676466333427087630920602972939
OFFSET
1,2
CROSSREFS
Cf. A147681.
Column k=12 of A215561.
Sequence in context: A362758 A216900 A072679 * A237971 A282989 A233663
KEYWORD
nonn
AUTHOR
R. H. Hardin May 01 2009
STATUS
approved