A322148 - cp's OEIS frontend

A322148 Regular triangle where T(n,k) is the number of labeled connected multigraphs with loops with n edges and k vertices.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	3
6	1
7	6
8	16
9	16
10	1
11	10
12	51
13	127
14	125
15	1
16	15
17	126
18	574
19	1347
20	1296
21	1
22	21
23	266
24	1939
25	8050
26	17916
27	16807
28	1
29	28
30	504
31	5440
32	35210
33	135156
34	286786
35	262144
36	1
37	36
38	882
39	13387
40	125730
41	736401
42	2642122
43	5368728
44	4782969
45	1
46	45
47	1452
48	29854
49	388190
50	3239491
51	17424610
52	58925728
53	115089813
54	100000000

[1, 1, 1, 1, 3, 3, 1, 6, 16, 16, 1, 10, 51, 127, 125, 1, 15, 126, 574, 1347, 1296, 1, 21, 266, 1939, 8050, 17916, 16807, 1, 28, 504, 5440, 35210, 135156, 286786, 262144, 1, 36, 882, 13387, 125730, 736401, 2642122, 5368728, 4782969, 1, 45, 1452, 29854, 388190, 3239491, 17424610, 58925728, 115089813, 100000000]

cp's OEIS Frontend

A322148 Regular triangle where T(n,k) is the number of labeled connected multigraphs with loops with n edges and k vertices.

Table of values

List of values