A115193 - cp's OEIS frontend

A115193 Generalized Catalan triangle of Riordan type, called C(1,2).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	1
6	13
7	13
8	5
9	1
10	67
11	67
12	27
13	7
14	1
15	381
16	381
17	157
18	45
19	9
20	1
21	2307
22	2307
23	963
24	291
25	67
26	11
27	1
28	14589
29	14589
30	6141
31	1917
32	477
33	93
34	13
35	1
36	95235
37	95235
38	40323
39	12867
40	3363
41	723
42	123
43	15
44	1
45	636925

[1, 1, 1, 3, 3, 1, 13, 13, 5, 1, 67, 67, 27, 7, 1, 381, 381, 157, 45, 9, 1, 2307, 2307, 963, 291, 67, 11, 1, 14589, 14589, 6141, 1917, 477, 93, 13, 1, 95235, 95235, 40323, 12867, 3363, 723, 123, 15, 1, 636925]

cp's OEIS Frontend

A115193 Generalized Catalan triangle of Riordan type, called C(1,2).

Table of values

List of values