A368750 - cp's OEIS frontend

A368750 Irregular triangle read by rows: T(n,k) is the number of atoms contained in the k-th balanced string of left/right parentheses of length 2*n, where strings within a row are in reverse lexicographical order.

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	1
7	2
8	1
9	0
10	0
11	0
12	1
13	0
14	0
15	1
16	1
17	2
18	1
19	1
20	1
21	2
22	2
23	3
24	2
25	1
26	2
27	1
28	1
29	0
30	0
31	0
32	0
33	1
34	0
35	0
36	0
37	1
38	0
39	0
40	1
41	1
42	2
43	1
44	0
45	0
46	0
47	1
48	0
49	0
50	1
51	1
52	2
53	1
54	1
55	1
56	2
57	2
58	3
59	2
60	1
61	2
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	1
70	2
71	2
72	3
73	2
74	2
75	2
76	3
77	3
78	4
79	3
80	2
81	3
82	2
83	2
84	1
85	1
86	2
87	2
88	3
89	2
90	1
91	2
92	1
93	1
94	1
95	2
96	1
97	1
98	1

[0, 1, 0, 0, 1, 1, 2, 1, 0, 0, 0, 1, 0, 0, 1, 1, 2, 1, 1, 1, 2, 2, 3, 2, 1, 2, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 2, 1, 0, 0, 0, 1, 0, 0, 1, 1, 2, 1, 1, 1, 2, 2, 3, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 3, 2, 2, 2, 3, 3, 4, 3, 2, 3, 2, 2, 1, 1, 2, 2, 3, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1]

cp's OEIS Frontend

A368750 Irregular triangle read by rows: T(n,k) is the number of atoms contained in the k-th balanced string of left/right parentheses of length 2*n, where strings within a row are in reverse lexicographical order.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	1
7	2
8	1
9	0
10	0
11	0
12	1
13	0
14	0
15	1
16	1
17	2
18	1
19	1
20	1
21	2
22	2
23	3
24	2
25	1
26	2
27	1
28	1
29	0
30	0
31	0
32	0
33	1
34	0
35	0
36	0
37	1
38	0
39	0
40	1
41	1
42	2
43	1
44	0
45	0
46	0
47	1
48	0
49	0
50	1
51	1
52	2
53	1
54	1
55	1
56	2
57	2
58	3
59	2
60	1
61	2
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	1
70	2
71	2
72	3
73	2
74	2
75	2
76	3
77	3
78	4
79	3
80	2
81	3
82	2
83	2
84	1
85	1
86	2
87	2
88	3
89	2
90	1
91	2
92	1
93	1
94	1
95	2
96	1
97	1
98	1

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	1
7	2
8	1
9	0
10	0
11	0
12	1
13	0
14	0
15	1
16	1
17	2
18	1
19	1
20	1
21	2
22	2
23	3
24	2
25	1
26	2
27	1
28	1
29	0
30	0
31	0
32	0
33	1
34	0
35	0
36	0
37	1
38	0
39	0
40	1
41	1
42	2
43	1
44	0
45	0
46	0
47	1
48	0
49	0
50	1
51	1
52	2
53	1
54	1
55	1
56	2
57	2
58	3
59	2
60	1
61	2
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	1
70	2
71	2
72	3
73	2
74	2
75	2
76	3
77	3
78	4
79	3
80	2
81	3
82	2
83	2
84	1
85	1
86	2
87	2
88	3
89	2
90	1
91	2
92	1
93	1
94	1
95	2
96	1
97	1
98	1

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	1
7	2
8	1
9	0
10	0
11	0
12	1
13	0
14	0
15	1
16	1
17	2
18	1
19	1
20	1
21	2
22	2
23	3
24	2
25	1
26	2
27	1
28	1
29	0
30	0
31	0
32	0
33	1
34	0
35	0
36	0
37	1
38	0
39	0
40	1
41	1
42	2
43	1
44	0
45	0
46	0
47	1
48	0
49	0
50	1
51	1
52	2
53	1
54	1
55	1
56	2
57	2
58	3
59	2
60	1
61	2
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	1
70	2
71	2
72	3
73	2
74	2
75	2
76	3
77	3
78	4
79	3
80	2
81	3
82	2
83	2
84	1
85	1
86	2
87	2
88	3
89	2
90	1
91	2
92	1
93	1
94	1
95	2
96	1
97	1
98	1