A063841 - cp's OEIS frontend

A063841 Table T(n,k) giving number of k-multigraphs on n nodes (n >= 1, k >= 0) read by antidiagonals.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	4
10	1
11	1
12	4
13	10
14	11
15	1
16	1
17	5
18	20
19	66
20	34
21	1
22	1
23	6
24	35
25	276
26	792
27	156
28	1
29	1
30	7
31	56
32	900
33	10688
34	25506
35	1044
36	1
37	1
38	8
39	84
40	2451
41	90005
42	1601952
43	2302938
44	12346
45	1
46	1
47	9
48	120
49	5831
50	533358
51	43571400
52	892341888
53	591901884
54	274668
55	1

[1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 4, 10, 11, 1, 1, 5, 20, 66, 34, 1, 1, 6, 35, 276, 792, 156, 1, 1, 7, 56, 900, 10688, 25506, 1044, 1, 1, 8, 84, 2451, 90005, 1601952, 2302938, 12346, 1, 1, 9, 120, 5831, 533358, 43571400, 892341888, 591901884, 274668, 1]

cp's OEIS Frontend

A063841 Table T(n,k) giving number of k-multigraphs on n nodes (n >= 1, k >= 0) read by antidiagonals.

Table of values

List of values