A215570 - cp's OEIS frontend

A215570 Number of permutations of n indistinguishable copies of 1..5 with every partial sum <= the same partial sum averaged over all permutations.

n	a(n)
0	1
1	35
2	18720
3	19369350
4	27032968200
5	44776592395920
6	82881380383401600
7	165850226337286576800
8	351597937025844947295000
9	779279938350147159519336600
10	1789294251011628021153241548800
11	4228135363283244543270651711564000
12	10232120200642411474243152429724152000

[1, 35, 18720, 19369350, 27032968200, 44776592395920, 82881380383401600, 165850226337286576800, 351597937025844947295000, 779279938350147159519336600, 1789294251011628021153241548800, 4228135363283244543270651711564000, 10232120200642411474243152429724152000]

cp's OEIS Frontend

A215570 Number of permutations of n indistinguishable copies of 1..5 with every partial sum <= the same partial sum averaged over all permutations.

Table of values

List of values