A212085 - cp's OEIS frontend

A212085 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the complete bipartite graph K_(k,k).

n	a(n)
1	0
2	0
3	2
4	0
5	2
6	6
7	0
8	2
9	18
10	12
11	0
12	2
13	42
14	84
15	20
16	0
17	2
18	90
19	420
20	260
21	30
22	0
23	2
24	186
25	1812
26	2420
27	630
28	42
29	0
30	2
31	378
32	7332
33	18500
34	9750
35	1302
36	56
37	0
38	2
39	762
40	28884
41	127220
42	121590
43	30702
44	2408
45	72
46	0
47	2
48	1530
49	112740
50	825860
51	1324470
52	583422
53	81032
54	4104
55	90

[0, 0, 2, 0, 2, 6, 0, 2, 18, 12, 0, 2, 42, 84, 20, 0, 2, 90, 420, 260, 30, 0, 2, 186, 1812, 2420, 630, 42, 0, 2, 378, 7332, 18500, 9750, 1302, 56, 0, 2, 762, 28884, 127220, 121590, 30702, 2408, 72, 0, 2, 1530, 112740, 825860, 1324470, 583422, 81032, 4104, 90]

cp's OEIS Frontend

A212085 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the complete bipartite graph K_(k,k).

Table of values

List of values