A255954 Number of collections of nonempty multisets with a total of n+4 objects of exactly n colors.
0, 7, 127, 1518, 15800, 154410, 1470702, 13921922, 132465058, 1275540777, 12482994680, 124488408308, 1267192059423, 13179257452283, 140124528853582, 1523425278785190, 16936782395913056, 192530701636263004, 2237390160167413881, 26572938927762778750
Offset: 0
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 0..250
Crossrefs
A diagonal of A255903.
Formula
a(n) = A255903(n+4,n),