A325677 - cp's OEIS frontend

A325677 Irregular triangle read by rows where T(n,k) is the number of Golomb rulers of length n with k + 1 marks, k > 0.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	4
9	1
10	4
11	2
12	1
13	6
14	6
15	1
16	6
17	8
18	1
19	8
20	18
21	1
22	8
23	16
24	1
25	10
26	30
27	4
28	1
29	10
30	34
31	14
32	1
33	12
34	48
35	28
36	1
37	12
38	48
39	42
40	1
41	14
42	72
43	76
44	1
45	14
46	72
47	100
48	1
49	16
50	96
51	160
52	8
53	1
54	16
55	98
56	190
57	8
58	1
59	18
60	126
61	284
62	40
63	1
64	18
65	128
66	316
67	70

[1, 1, 1, 2, 1, 2, 1, 4, 1, 4, 2, 1, 6, 6, 1, 6, 8, 1, 8, 18, 1, 8, 16, 1, 10, 30, 4, 1, 10, 34, 14, 1, 12, 48, 28, 1, 12, 48, 42, 1, 14, 72, 76, 1, 14, 72, 100, 1, 16, 96, 160, 8, 1, 16, 98, 190, 8, 1, 18, 126, 284, 40, 1, 18, 128, 316, 70]

cp's OEIS Frontend

A325677 Irregular triangle read by rows where T(n,k) is the number of Golomb rulers of length n with k + 1 marks, k > 0.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	4
9	1
10	4
11	2
12	1
13	6
14	6
15	1
16	6
17	8
18	1
19	8
20	18
21	1
22	8
23	16
24	1
25	10
26	30
27	4
28	1
29	10
30	34
31	14
32	1
33	12
34	48
35	28
36	1
37	12
38	48
39	42
40	1
41	14
42	72
43	76
44	1
45	14
46	72
47	100
48	1
49	16
50	96
51	160
52	8
53	1
54	16
55	98
56	190
57	8
58	1
59	18
60	126
61	284
62	40
63	1
64	18
65	128
66	316
67	70

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	4
9	1
10	4
11	2
12	1
13	6
14	6
15	1
16	6
17	8
18	1
19	8
20	18
21	1
22	8
23	16
24	1
25	10
26	30
27	4
28	1
29	10
30	34
31	14
32	1
33	12
34	48
35	28
36	1
37	12
38	48
39	42
40	1
41	14
42	72
43	76
44	1
45	14
46	72
47	100
48	1
49	16
50	96
51	160
52	8
53	1
54	16
55	98
56	190
57	8
58	1
59	18
60	126
61	284
62	40
63	1
64	18
65	128
66	316
67	70

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	4
9	1
10	4
11	2
12	1
13	6
14	6
15	1
16	6
17	8
18	1
19	8
20	18
21	1
22	8
23	16
24	1
25	10
26	30
27	4
28	1
29	10
30	34
31	14
32	1
33	12
34	48
35	28
36	1
37	12
38	48
39	42
40	1
41	14
42	72
43	76
44	1
45	14
46	72
47	100
48	1
49	16
50	96
51	160
52	8
53	1
54	16
55	98
56	190
57	8
58	1
59	18
60	126
61	284
62	40
63	1
64	18
65	128
66	316
67	70