A011793 - cp's OEIS frontend

A011793 Triangle of numbers of irreducible Euler sums.

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

[1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 3, 3, 1, 2, 5, 3, 1, 1, 5, 7, 4, 1, 3, 8, 9, 4, 1, 1, 7, 14, 12, 5, 1, 3, 14, 20, 15, 5, 1, 1, 9, 25, 30, 18, 6, 1, 4, 20, 42, 40, 22, 6, 1, 1, 12, 42, 66, 55, 26, 7, 1]

cp's OEIS Frontend

A011793 Triangle of numbers of irreducible Euler sums.

Table of values

List of values

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

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

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