A014643 - cp's OEIS frontend

A014643 Triangular array starting with {1,1}; then i-th term in a row gives number of i's in next row.

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

[1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11]

cp's OEIS Frontend

A014643 Triangular array starting with {1,1}; then i-th term in a row gives number of i's in next row.

Table of values

List of values

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

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

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