A255944 Number of collections of nonempty multisets with a total of n objects of exactly four colors.
15, 144, 848, 3936, 15800, 57420, 194034, 619912, 1894152, 5579536, 15939998, 44363268, 120707904, 321973720, 843826794, 2176829360, 5535969328, 13896678404, 34470255256, 84565452840, 205353216490, 493934650180, 1177496577964, 2783578273632, 6528396084669
Offset: 4
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 4..1000
Crossrefs
Column k=4 of A255903.
Formula
a(n) = A255903(n,4).