A374251 - cp's OEIS frontend

A374251 Irregular triangle read by rows where row n is the run-compression of the n-th composition in standard order.

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	1
8	2
9	1
10	4
11	3
12	1
13	2
14	2
15	1
16	1
17	3
18	1
19	2
20	1
21	1
22	2
23	1
24	5
25	4
26	1
27	3
28	2
29	3
30	1
31	2
32	3
33	2
34	1
35	2
36	1
37	2
38	2
39	1
40	1
41	4
42	1
43	3
44	1
45	1
46	2
47	1
48	2
49	1
50	1
51	3
52	1
53	2
54	1
55	1
56	2
57	1
58	6
59	5
60	1
61	4
62	2
63	4
64	1
65	3
66	3
67	2
68	1
69	3
70	1
71	2
72	3
73	1
74	2
75	4
76	2
77	3
78	1
79	2
80	2
81	1
82	2
83	1
84	3

[1, 2, 1, 3, 2, 1, 1, 2, 1, 4, 3, 1, 2, 2, 1, 1, 3, 1, 2, 1, 1, 2, 1, 5, 4, 1, 3, 2, 3, 1, 2, 3, 2, 1, 2, 1, 2, 2, 1, 1, 4, 1, 3, 1, 1, 2, 1, 2, 1, 1, 3, 1, 2, 1, 1, 2, 1, 6, 5, 1, 4, 2, 4, 1, 3, 3, 2, 1, 3, 1, 2, 3, 1, 2, 4, 2, 3, 1, 2, 2, 1, 2, 1, 3]

cp's OEIS Frontend

A374251 Irregular triangle read by rows where row n is the run-compression of the n-th composition in standard order.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	1
8	2
9	1
10	4
11	3
12	1
13	2
14	2
15	1
16	1
17	3
18	1
19	2
20	1
21	1
22	2
23	1
24	5
25	4
26	1
27	3
28	2
29	3
30	1
31	2
32	3
33	2
34	1
35	2
36	1
37	2
38	2
39	1
40	1
41	4
42	1
43	3
44	1
45	1
46	2
47	1
48	2
49	1
50	1
51	3
52	1
53	2
54	1
55	1
56	2
57	1
58	6
59	5
60	1
61	4
62	2
63	4
64	1
65	3
66	3
67	2
68	1
69	3
70	1
71	2
72	3
73	1
74	2
75	4
76	2
77	3
78	1
79	2
80	2
81	1
82	2
83	1
84	3

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	1
8	2
9	1
10	4
11	3
12	1
13	2
14	2
15	1
16	1
17	3
18	1
19	2
20	1
21	1
22	2
23	1
24	5
25	4
26	1
27	3
28	2
29	3
30	1
31	2
32	3
33	2
34	1
35	2
36	1
37	2
38	2
39	1
40	1
41	4
42	1
43	3
44	1
45	1
46	2
47	1
48	2
49	1
50	1
51	3
52	1
53	2
54	1
55	1
56	2
57	1
58	6
59	5
60	1
61	4
62	2
63	4
64	1
65	3
66	3
67	2
68	1
69	3
70	1
71	2
72	3
73	1
74	2
75	4
76	2
77	3
78	1
79	2
80	2
81	1
82	2
83	1
84	3

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	1
8	2
9	1
10	4
11	3
12	1
13	2
14	2
15	1
16	1
17	3
18	1
19	2
20	1
21	1
22	2
23	1
24	5
25	4
26	1
27	3
28	2
29	3
30	1
31	2
32	3
33	2
34	1
35	2
36	1
37	2
38	2
39	1
40	1
41	4
42	1
43	3
44	1
45	1
46	2
47	1
48	2
49	1
50	1
51	3
52	1
53	2
54	1
55	1
56	2
57	1
58	6
59	5
60	1
61	4
62	2
63	4
64	1
65	3
66	3
67	2
68	1
69	3
70	1
71	2
72	3
73	1
74	2
75	4
76	2
77	3
78	1
79	2
80	2
81	1
82	2
83	1
84	3