A290428 - cp's OEIS frontend

A290428 Array read by antidiagonals: T(n,k) is the number of graphs with n edges and k vertices, allowing loops and multi-edges.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	0
15	1
16	2
17	6
18	6
19	1
20	0
21	1
22	2
23	7
24	14
25	9
26	1
27	0
28	1
29	2
30	7
31	20
32	28
33	12
34	1
35	0
36	1
37	2
38	7
39	22
40	53
41	52
42	16
43	1
44	0
45	1
46	2
47	7
48	23
49	69
50	125
51	93
52	20
53	1
54	0
55	1
56	2
57	7
58	23
59	76
60	198
61	287
62	152
63	25
64	1
65	0
66	1
67	2
68	7
69	23
70	78
71	245
72	550
73	606
74	242
75	30
76	1
77	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 4, 1, 0, 1, 2, 6, 6, 1, 0, 1, 2, 7, 14, 9, 1, 0, 1, 2, 7, 20, 28, 12, 1, 0, 1, 2, 7, 22, 53, 52, 16, 1, 0, 1, 2, 7, 23, 69, 125, 93, 20, 1, 0, 1, 2, 7, 23, 76, 198, 287, 152, 25, 1, 0, 1, 2, 7, 23, 78, 245, 550, 606, 242, 30, 1, 0]

cp's OEIS Frontend

A290428 Array read by antidiagonals: T(n,k) is the number of graphs with n edges and k vertices, allowing loops and multi-edges.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	0
15	1
16	2
17	6
18	6
19	1
20	0
21	1
22	2
23	7
24	14
25	9
26	1
27	0
28	1
29	2
30	7
31	20
32	28
33	12
34	1
35	0
36	1
37	2
38	7
39	22
40	53
41	52
42	16
43	1
44	0
45	1
46	2
47	7
48	23
49	69
50	125
51	93
52	20
53	1
54	0
55	1
56	2
57	7
58	23
59	76
60	198
61	287
62	152
63	25
64	1
65	0
66	1
67	2
68	7
69	23
70	78
71	245
72	550
73	606
74	242
75	30
76	1
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	0
15	1
16	2
17	6
18	6
19	1
20	0
21	1
22	2
23	7
24	14
25	9
26	1
27	0
28	1
29	2
30	7
31	20
32	28
33	12
34	1
35	0
36	1
37	2
38	7
39	22
40	53
41	52
42	16
43	1
44	0
45	1
46	2
47	7
48	23
49	69
50	125
51	93
52	20
53	1
54	0
55	1
56	2
57	7
58	23
59	76
60	198
61	287
62	152
63	25
64	1
65	0
66	1
67	2
68	7
69	23
70	78
71	245
72	550
73	606
74	242
75	30
76	1
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	0
15	1
16	2
17	6
18	6
19	1
20	0
21	1
22	2
23	7
24	14
25	9
26	1
27	0
28	1
29	2
30	7
31	20
32	28
33	12
34	1
35	0
36	1
37	2
38	7
39	22
40	53
41	52
42	16
43	1
44	0
45	1
46	2
47	7
48	23
49	69
50	125
51	93
52	20
53	1
54	0
55	1
56	2
57	7
58	23
59	76
60	198
61	287
62	152
63	25
64	1
65	0
66	1
67	2
68	7
69	23
70	78
71	245
72	550
73	606
74	242
75	30
76	1
77	0