A237619 - cp's OEIS frontend

A237619 Riordan array (1/(1+xc(x)), xc(x)) where c(x) is the g.f. of Catalan numbers (A000108).

n	a(n)
0	1
1	-1
2	1
3	0
4	0
5	1
6	-1
7	1
8	1
9	1
10	-2
11	2
12	3
13	2
14	1
15	-6
16	6
17	8
18	6
19	3
20	1
21	-18
22	18
23	24
24	18
25	10
26	4
27	1
28	-57
29	57
30	75
31	57
32	33
33	15
34	5
35	1
36	-186
37	186
38	243
39	186
40	111
41	54
42	21
43	6
44	1
45	-622
46	622
47	808
48	622
49	379
50	193
51	82
52	28
53	7
54	1
55	-2120
56	2120
57	2742
58	2120
59	1312
60	690
61	311
62	118
63	36
64	8
65	1

[1, -1, 1, 0, 0, 1, -1, 1, 1, 1, -2, 2, 3, 2, 1, -6, 6, 8, 6, 3, 1, -18, 18, 24, 18, 10, 4, 1, -57, 57, 75, 57, 33, 15, 5, 1, -186, 186, 243, 186, 111, 54, 21, 6, 1, -622, 622, 808, 622, 379, 193, 82, 28, 7, 1, -2120, 2120, 2742, 2120, 1312, 690, 311, 118, 36, 8, 1]

cp's OEIS Frontend

A237619 Riordan array (1/(1+xc(x)), xc(x)) where c(x) is the g.f. of Catalan numbers (A000108).

Table of values

List of values

cp's OEIS Frontend

A237619 Riordan array (1/(1+x*c(x)), x*c(x)) where c(x) is the g.f. of Catalan numbers (A000108).

Table of values

List of values

A237619 Riordan array (1/(1+xc(x)), xc(x)) where c(x) is the g.f. of Catalan numbers (A000108).