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A147686
Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
2
1, 14, 6930, 5223915, 27032968200, 164401445439455, 3627155158988429250, 86733224358763671877835, 5469038805616093755410863500
OFFSET
1,2
CROSSREFS
Cf. A147681.
Column k=4 of A215561.
Sequence in context: A060856 A030531 A206357 * A048913 A246623 A208194
KEYWORD
nonn
AUTHOR
R. H. Hardin May 01 2009
STATUS
approved