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A147707
Late-growing permutations: number of permutations of 13 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
2
1, 742900, 6034149862347600, 1406943391115083641966787200, 25264175056254327045276801827351798400000
OFFSET
1,2
CROSSREFS
Cf. A147681.
Column k=13 of A215561.
Sequence in context: A251487 A227905 A282407 * A133183 A119403 A184149
KEYWORD
nonn
AUTHOR
R. H. Hardin May 01 2009
STATUS
approved