A318557 - cp's OEIS frontend

A318557 Number A(n,k) of n-member subsets of [k*n] whose elements sum to a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	1
12	2
13	1
14	0
15	1
16	1
17	5
18	10
19	1
20	0
21	1
22	1
23	6
24	30
25	38
26	1
27	0
28	1
29	1
30	9
31	55
32	165
33	126
34	1
35	0
36	1
37	1
38	10
39	91
40	460
41	1001
42	452
43	1
44	0
45	1
46	1
47	13
48	138
49	969
50	3876
51	6198
52	1716
53	1
54	0
55	1
56	1
57	14
58	190
59	1782
60	10630
61	33594
62	38760
63	6470
64	1
65	0
66	1
67	1
68	17
69	253
70	2925
71	23751
72	118755
73	296010
74	245157
75	24310
76	1
77	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 5, 10, 1, 0, 1, 1, 6, 30, 38, 1, 0, 1, 1, 9, 55, 165, 126, 1, 0, 1, 1, 10, 91, 460, 1001, 452, 1, 0, 1, 1, 13, 138, 969, 3876, 6198, 1716, 1, 0, 1, 1, 14, 190, 1782, 10630, 33594, 38760, 6470, 1, 0, 1, 1, 17, 253, 2925, 23751, 118755, 296010, 245157, 24310, 1, 0]

cp's OEIS Frontend

A318557 Number A(n,k) of n-member subsets of [k*n] whose elements sum to a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values