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A255956
Number of collections of nonempty multisets with a total of n+6 objects of exactly n colors.
2
0, 15, 547, 11567, 194034, 2867370, 39371078, 517625311, 6638232088, 84049392636, 1059294338130, 13365234309735, 169503160980862, 2167174153942889, 27993233769578735, 365877521257764650, 4844399884368946336, 65032238155662126051, 885651362300592607773
OFFSET
0,2
LINKS
FORMULA
a(n) = A255903(n+6,n).
CROSSREFS
A diagonal of A255903.
Sequence in context: A171197 A351183 A061174 * A115918 A110840 A012178
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Mar 11 2015
STATUS
approved