A275101 - cp's OEIS frontend

A275101 Number of set partitions of [4*n] such that within each block the numbers of elements from all residue classes modulo n are equal for n>0, a(0)=1.

n	a(n)
0	1
1	15
2	131
3	1613
4	25097
5	461105
6	9483041
7	209175233
8	4802367617
9	112660505345
10	2672797504001
11	63775070743553
12	1526140298561537
13	36573850636201985
14	877130337148149761
15	21043423870122115073
16	504949726500343545857
17	12117684104978986369025

[1, 15, 131, 1613, 25097, 461105, 9483041, 209175233, 4802367617, 112660505345, 2672797504001, 63775070743553, 1526140298561537, 36573850636201985, 877130337148149761, 21043423870122115073, 504949726500343545857, 12117684104978986369025]

cp's OEIS Frontend

A275101 Number of set partitions of [4*n] such that within each block the numbers of elements from all residue classes modulo n are equal for n>0, a(0)=1.

Table of values

List of values