A255943 Number of collections of nonempty multisets with a total of n objects of exactly three colors.
5, 33, 141, 492, 1518, 4320, 11567, 29601, 72981, 174652, 407367, 929859, 2082284, 4585752, 9947997, 21290967, 45007311, 94072878, 194580977, 398589723, 809124321, 1628620153, 3252021750, 6444843618, 12681419489, 24784331646, 48126098418, 92876836752
Offset: 3
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 3..1000
Crossrefs
Column k=3 of A255903.
Formula
a(n) = A255903(n,3).