A325888 - cp's OEIS frontend

A325888 Number of colored set partitions of [n] where colors of the elements of subsets are in (weakly) increasing order and all colors of an initial interval of the color palette are used.

n	a(n)
0	1
1	1
2	5
3	41
4	505
5	8597
6	191457
7	5364837
8	183744421
9	7521913845
10	361544182917
11	20109571623693
12	1278810836639233
13	92032189911692253
14	7430335604308535497
15	667922294225164998677
16	66407623510409091454229
17	7260203111052685954056549
18	868289612454444952122790277

[1, 1, 5, 41, 505, 8597, 191457, 5364837, 183744421, 7521913845, 361544182917, 20109571623693, 1278810836639233, 92032189911692253, 7430335604308535497, 667922294225164998677, 66407623510409091454229, 7260203111052685954056549, 868289612454444952122790277]

cp's OEIS Frontend

A325888 Number of colored set partitions of [n] where colors of the elements of subsets are in (weakly) increasing order and all colors of an initial interval of the color palette are used.

Table of values

List of values