A275043 - cp's OEIS frontend

A275043 Number A(n,k) of set partitions of [k*n] such that within each block the numbers of elements from all residue classes modulo k are equal for k>0, A(n,0)=1; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	3
13	5
14	1
15	1
16	1
17	5
18	16
19	15
20	1
21	1
22	1
23	9
24	64
25	131
26	52
27	1
28	1
29	1
30	17
31	298
32	1613
33	1496
34	203
35	1
36	1
37	1
38	33
39	1540
40	25097
41	69026
42	22482
43	877
44	1
45	1
46	1
47	65
48	8506
49	461105
50	4383626
51	4566992
52	426833
53	4140
54	1
55	1
56	1
57	129
58	48844
59	9483041
60	350813126
61	1394519922
62	437665649
63	9934563
64	21147
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 5, 1, 1, 1, 5, 16, 15, 1, 1, 1, 9, 64, 131, 52, 1, 1, 1, 17, 298, 1613, 1496, 203, 1, 1, 1, 33, 1540, 25097, 69026, 22482, 877, 1, 1, 1, 65, 8506, 461105, 4383626, 4566992, 426833, 4140, 1, 1, 1, 129, 48844, 9483041, 350813126, 1394519922, 437665649, 9934563, 21147, 1]

cp's OEIS Frontend

A275043 Number A(n,k) of set partitions of [k*n] such that within each block the numbers of elements from all residue classes modulo k are equal for k>0, A(n,0)=1; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values