A318051 - cp's OEIS frontend

A318051 Irregular triangle read by rows: T(n,k) is the number of prime knots with n crossings whose signatures are k in absolute value.

n	a(n)
3	0
4	0
5	1
6	1
7	0
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	1
16	0
17	3
18	0
19	2
20	0
21	1
22	9
23	0
24	8
25	0
26	3
27	0
28	1
29	11
30	0
31	21
32	0
33	12
34	0
35	4
36	0
37	1
38	54
39	0
40	68
41	0
42	32
43	0
44	1
45	0
46	1
47	148
48	228
49	0
50	124
51	0
52	44
53	7
54	0
55	1
56	619
57	0
58	900
59	0
60	461
61	0
62	162
63	0
64	34

[0, 0, 1, 1, 0, 0, 1, 0, 1, 2, 0, 1, 1, 0, 3, 0, 2, 0, 1, 9, 0, 8, 0, 3, 0, 1, 11, 0, 21, 0, 12, 0, 4, 0, 1, 54, 0, 68, 0, 32, 0, 1, 0, 1, 148, 228, 0, 124, 0, 44, 7, 0, 1, 619, 0, 900, 0, 461, 0, 162, 0, 34]

cp's OEIS Frontend

A318051 Irregular triangle read by rows: T(n,k) is the number of prime knots with n crossings whose signatures are k in absolute value.

Table of values

List of values

n	a(n)
3	0
4	0
5	1
6	1
7	0
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	1
16	0
17	3
18	0
19	2
20	0
21	1
22	9
23	0
24	8
25	0
26	3
27	0
28	1
29	11
30	0
31	21
32	0
33	12
34	0
35	4
36	0
37	1
38	54
39	0
40	68
41	0
42	32
43	0
44	1
45	0
46	1
47	148
48	228
49	0
50	124
51	0
52	44
53	7
54	0
55	1
56	619
57	0
58	900
59	0
60	461
61	0
62	162
63	0
64	34

n	a(n)
3	0
4	0
5	1
6	1
7	0
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	1
16	0
17	3
18	0
19	2
20	0
21	1
22	9
23	0
24	8
25	0
26	3
27	0
28	1
29	11
30	0
31	21
32	0
33	12
34	0
35	4
36	0
37	1
38	54
39	0
40	68
41	0
42	32
43	0
44	1
45	0
46	1
47	148
48	228
49	0
50	124
51	0
52	44
53	7
54	0
55	1
56	619
57	0
58	900
59	0
60	461
61	0
62	162
63	0
64	34

n	a(n)
3	0
4	0
5	1
6	1
7	0
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	1
16	0
17	3
18	0
19	2
20	0
21	1
22	9
23	0
24	8
25	0
26	3
27	0
28	1
29	11
30	0
31	21
32	0
33	12
34	0
35	4
36	0
37	1
38	54
39	0
40	68
41	0
42	32
43	0
44	1
45	0
46	1
47	148
48	228
49	0
50	124
51	0
52	44
53	7
54	0
55	1
56	619
57	0
58	900
59	0
60	461
61	0
62	162
63	0
64	34