A370221 - cp's OEIS frontend

A370221 Irregular triangle T(n,k) read by rows: row n lists the values encoding a permutation (see comments) related to the properly nested string of parentheses encoded by A063171(n).

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	2
8	3
9	1
10	3
11	2
12	2
13	1
14	3
15	2
16	3
17	1
18	3
19	2
20	1
21	1
22	2
23	3
24	4
25	1
26	2
27	4
28	3
29	1
30	3
31	2
32	4
33	1
34	3
35	4
36	2
37	1
38	4
39	3
40	2
41	2
42	1
43	3
44	4
45	2
46	1
47	4
48	3
49	2
50	3
51	1
52	4
53	2
54	3
55	4
56	1
57	2
58	4
59	3
60	1
61	3
62	2
63	1
64	4
65	3
66	2
67	4
68	1
69	3
70	4
71	2
72	1
73	4
74	3
75	2
76	1
77	1
78	2
79	3
80	4
81	5
82	1
83	2
84	3
85	5
86	4
87	1
88	2
89	4
90	3
91	5

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

cp's OEIS Frontend

A370221 Irregular triangle T(n,k) read by rows: row n lists the values encoding a permutation (see comments) related to the properly nested string of parentheses encoded by A063171(n).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	2
8	3
9	1
10	3
11	2
12	2
13	1
14	3
15	2
16	3
17	1
18	3
19	2
20	1
21	1
22	2
23	3
24	4
25	1
26	2
27	4
28	3
29	1
30	3
31	2
32	4
33	1
34	3
35	4
36	2
37	1
38	4
39	3
40	2
41	2
42	1
43	3
44	4
45	2
46	1
47	4
48	3
49	2
50	3
51	1
52	4
53	2
54	3
55	4
56	1
57	2
58	4
59	3
60	1
61	3
62	2
63	1
64	4
65	3
66	2
67	4
68	1
69	3
70	4
71	2
72	1
73	4
74	3
75	2
76	1
77	1
78	2
79	3
80	4
81	5
82	1
83	2
84	3
85	5
86	4
87	1
88	2
89	4
90	3
91	5

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	2
8	3
9	1
10	3
11	2
12	2
13	1
14	3
15	2
16	3
17	1
18	3
19	2
20	1
21	1
22	2
23	3
24	4
25	1
26	2
27	4
28	3
29	1
30	3
31	2
32	4
33	1
34	3
35	4
36	2
37	1
38	4
39	3
40	2
41	2
42	1
43	3
44	4
45	2
46	1
47	4
48	3
49	2
50	3
51	1
52	4
53	2
54	3
55	4
56	1
57	2
58	4
59	3
60	1
61	3
62	2
63	1
64	4
65	3
66	2
67	4
68	1
69	3
70	4
71	2
72	1
73	4
74	3
75	2
76	1
77	1
78	2
79	3
80	4
81	5
82	1
83	2
84	3
85	5
86	4
87	1
88	2
89	4
90	3
91	5

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	2
8	3
9	1
10	3
11	2
12	2
13	1
14	3
15	2
16	3
17	1
18	3
19	2
20	1
21	1
22	2
23	3
24	4
25	1
26	2
27	4
28	3
29	1
30	3
31	2
32	4
33	1
34	3
35	4
36	2
37	1
38	4
39	3
40	2
41	2
42	1
43	3
44	4
45	2
46	1
47	4
48	3
49	2
50	3
51	1
52	4
53	2
54	3
55	4
56	1
57	2
58	4
59	3
60	1
61	3
62	2
63	1
64	4
65	3
66	2
67	4
68	1
69	3
70	4
71	2
72	1
73	4
74	3
75	2
76	1
77	1
78	2
79	3
80	4
81	5
82	1
83	2
84	3
85	5
86	4
87	1
88	2
89	4
90	3
91	5