A176239 - cp's OEIS frontend

A176239 Shifted signed Catalan triangle T(n,k) = (-1)^(n+k+1)A009766(n,k-n+1) read by rows.

n	a(n)
0	0
1	-1
2	1
3	-1
4	0
5	2
6	0
7	1
8	-2
9	2
10	0
11	-5
12	0
13	0
14	1
15	-3
16	5
17	-5
18	0
19	14
20	0
21	0
22	0
23	1
24	-4
25	9
26	-14
27	14
28	0
29	-42
30	0
31	0
32	0
33	0
34	1
35	-5
36	14
37	-28
38	42
39	-42
40	0
41	132
42	0
43	0
44	0
45	0
46	0
47	1
48	-6
49	20
50	-48
51	90
52	-132
53	132
54	0
55	-429
56	0
57	0
58	0
59	0
60	0
61	0
62	1
63	-7
64	27
65	-75
66	165
67	-297
68	429
69	-429
70	0
71	1430

[0, -1, 1, -1, 0, 2, 0, 1, -2, 2, 0, -5, 0, 0, 1, -3, 5, -5, 0, 14, 0, 0, 0, 1, -4, 9, -14, 14, 0, -42, 0, 0, 0, 0, 1, -5, 14, -28, 42, -42, 0, 132, 0, 0, 0, 0, 0, 1, -6, 20, -48, 90, -132, 132, 0, -429, 0, 0, 0, 0, 0, 0, 1, -7, 27, -75, 165, -297, 429, -429, 0, 1430]

cp's OEIS Frontend

A176239 Shifted signed Catalan triangle T(n,k) = (-1)^(n+k+1)A009766(n,k-n+1) read by rows.

Table of values

List of values

cp's OEIS Frontend

A176239 Shifted signed Catalan triangle T(n,k) = (-1)^*(n+k+1)*A009766(n,k-n+1) read by rows.

Table of values

List of values

A176239 Shifted signed Catalan triangle T(n,k) = (-1)^(n+k+1)A009766(n,k-n+1) read by rows.