A274886 - cp's OEIS frontend

A274886 Triangle read by rows, the q-analog of the extended Catalan numbers A057977.

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

[1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 2, 2, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 2, 3, 4, 4, 5, 4, 4, 3, 2, 1, 1, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 1, 0, 1, 1, 1, 2, 3, 5, 6, 8, 9, 11, 11, 12, 11, 11, 9, 8, 6, 5, 3, 2, 1, 1, 1, 0, 1, 1, 2, 2, 3, 2, 4, 3, 4, 3, 4, 2, 3, 2, 2, 1, 1, 0, 1]

cp's OEIS Frontend

A274886 Triangle read by rows, the q-analog of the extended Catalan numbers A057977.

Table of values

List of values

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

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

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