A129175 - cp's OEIS frontend

A129175 Triangle read by rows: MacMahon's q-analog of the Catalan numbers.

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	1
13	0
14	1
15	1
16	2
17	1
18	2
19	1
20	2
21	1
22	1
23	0
24	1
25	1
26	0
27	1
28	1
29	2
30	2
31	3
32	2
33	4
34	3
35	4
36	3
37	4
38	2
39	3
40	2
41	2
42	1
43	1
44	0
45	1
46	1
47	0
48	1
49	1
50	2
51	2
52	4
53	3
54	5
55	5
56	7
57	6
58	9
59	7
60	9
61	8
62	9
63	7
64	9
65	6
66	7
67	5
68	5
69	3
70	4
71	2
72	2
73	1
74	1
75	0
76	1
77	1
78	0
79	1
80	1
81	2
82	2
83	4
84	4
85	6
86	6
87	9
88	9
89	13
90	12
91	16
92	16
93	19
94	18
95	22
96	20
97	23
98	21
99	23

[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 3, 2, 4, 3, 4, 3, 4, 2, 3, 2, 2, 1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 4, 3, 5, 5, 7, 6, 9, 7, 9, 8, 9, 7, 9, 6, 7, 5, 5, 3, 4, 2, 2, 1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 4, 4, 6, 6, 9, 9, 13, 12, 16, 16, 19, 18, 22, 20, 23, 21, 23]

cp's OEIS Frontend

A129175 Triangle read by rows: MacMahon's q-analog of the Catalan numbers.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	1
13	0
14	1
15	1
16	2
17	1
18	2
19	1
20	2
21	1
22	1
23	0
24	1
25	1
26	0
27	1
28	1
29	2
30	2
31	3
32	2
33	4
34	3
35	4
36	3
37	4
38	2
39	3
40	2
41	2
42	1
43	1
44	0
45	1
46	1
47	0
48	1
49	1
50	2
51	2
52	4
53	3
54	5
55	5
56	7
57	6
58	9
59	7
60	9
61	8
62	9
63	7
64	9
65	6
66	7
67	5
68	5
69	3
70	4
71	2
72	2
73	1
74	1
75	0
76	1
77	1
78	0
79	1
80	1
81	2
82	2
83	4
84	4
85	6
86	6
87	9
88	9
89	13
90	12
91	16
92	16
93	19
94	18
95	22
96	20
97	23
98	21
99	23

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	1
13	0
14	1
15	1
16	2
17	1
18	2
19	1
20	2
21	1
22	1
23	0
24	1
25	1
26	0
27	1
28	1
29	2
30	2
31	3
32	2
33	4
34	3
35	4
36	3
37	4
38	2
39	3
40	2
41	2
42	1
43	1
44	0
45	1
46	1
47	0
48	1
49	1
50	2
51	2
52	4
53	3
54	5
55	5
56	7
57	6
58	9
59	7
60	9
61	8
62	9
63	7
64	9
65	6
66	7
67	5
68	5
69	3
70	4
71	2
72	2
73	1
74	1
75	0
76	1
77	1
78	0
79	1
80	1
81	2
82	2
83	4
84	4
85	6
86	6
87	9
88	9
89	13
90	12
91	16
92	16
93	19
94	18
95	22
96	20
97	23
98	21
99	23

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	1
13	0
14	1
15	1
16	2
17	1
18	2
19	1
20	2
21	1
22	1
23	0
24	1
25	1
26	0
27	1
28	1
29	2
30	2
31	3
32	2
33	4
34	3
35	4
36	3
37	4
38	2
39	3
40	2
41	2
42	1
43	1
44	0
45	1
46	1
47	0
48	1
49	1
50	2
51	2
52	4
53	3
54	5
55	5
56	7
57	6
58	9
59	7
60	9
61	8
62	9
63	7
64	9
65	6
66	7
67	5
68	5
69	3
70	4
71	2
72	2
73	1
74	1
75	0
76	1
77	1
78	0
79	1
80	1
81	2
82	2
83	4
84	4
85	6
86	6
87	9
88	9
89	13
90	12
91	16
92	16
93	19
94	18
95	22
96	20
97	23
98	21
99	23