A132460 - cp's OEIS frontend

A132460 Irregular triangle read by rows of the initial floor(n/2) + 1 coefficients of 1/C(x)^n, where C(x) is the g.f. of the Catalan sequence (A000108).

n	a(n)
0	1
1	1
2	1
3	-2
4	1
5	-3
6	1
7	-4
8	2
9	1
10	-5
11	5
12	1
13	-6
14	9
15	-2
16	1
17	-7
18	14
19	-7
20	1
21	-8
22	20
23	-16
24	2
25	1
26	-9
27	27
28	-30
29	9
30	1
31	-10
32	35
33	-50
34	25
35	-2
36	1
37	-11
38	44
39	-77
40	55
41	-11
42	1
43	-12
44	54
45	-112
46	105
47	-36
48	2
49	1
50	-13
51	65
52	-156
53	182
54	-91
55	13
56	1
57	-14
58	77
59	-210
60	294
61	-196
62	49
63	-2

[1, 1, 1, -2, 1, -3, 1, -4, 2, 1, -5, 5, 1, -6, 9, -2, 1, -7, 14, -7, 1, -8, 20, -16, 2, 1, -9, 27, -30, 9, 1, -10, 35, -50, 25, -2, 1, -11, 44, -77, 55, -11, 1, -12, 54, -112, 105, -36, 2, 1, -13, 65, -156, 182, -91, 13, 1, -14, 77, -210, 294, -196, 49, -2]

cp's OEIS Frontend

A132460 Irregular triangle read by rows of the initial floor(n/2) + 1 coefficients of 1/C(x)^n, where C(x) is the g.f. of the Catalan sequence (A000108).

Table of values

List of values