A112531 - cp's OEIS frontend

A112531 Triangle read by rows which lists compositions having at least one part equal to 1.

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

[1, 1, 2, 1, 2, 3, 3, 1, 2, 3, 6, 4, 3, 6, 4, 1, 2, 3, 6, 4, 6, 12, 12, 5, 3, 6, 12, 10, 4, 10, 5, 1, 2, 3, 6, 4, 6, 12, 12, 5, 6, 12, 24, 20, 12, 30, 20, 6, 3, 6, 12, 10, 12, 30, 30, 15, 4, 10, 20, 20, 5, 15, 6, 1]

cp's OEIS Frontend

A112531 Triangle read by rows which lists compositions having at least one part equal to 1.

Table of values

List of values

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

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

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