A372153 - cp's OEIS frontend

A372153 Irregular triangular array read by rows. T(n,k) is the number of simple labeled graphs on [n] with circuit rank equal to k, n >= 1, 0 <= k <= binomial(n-1,2).

n	a(n)
1	1
2	2
3	7
4	1
5	38
6	19
7	6
8	1
9	291
10	317
11	235
12	125
13	45
14	10
15	1
16	2932
17	5582
18	7120
19	6915
20	5215
21	3057
22	1371
23	455
24	105
25	15
26	1
27	36961
28	108244
29	207130
30	306775
31	368046
32	364539
33	300342
34	205940
35	116910
36	54362
37	20356
38	5985
39	1330
40	210
41	21
42	1
43	561948
44	2331108
45	6176387
46	12709760

[1, 2, 7, 1, 38, 19, 6, 1, 291, 317, 235, 125, 45, 10, 1, 2932, 5582, 7120, 6915, 5215, 3057, 1371, 455, 105, 15, 1, 36961, 108244, 207130, 306775, 368046, 364539, 300342, 205940, 116910, 54362, 20356, 5985, 1330, 210, 21, 1, 561948, 2331108, 6176387, 12709760]

cp's OEIS Frontend

A372153 Irregular triangular array read by rows. T(n,k) is the number of simple labeled graphs on [n] with circuit rank equal to k, n >= 1, 0 <= k <= binomial(n-1,2).

Table of values

List of values