A364519 - cp's OEIS frontend

A364519 Square array read by ascending antidiagonals: T(n,k) = [x^(3*k)] ( (1 + x)^(n+3)/(1 - x)^(n-3) )^k for n, k >= 0.

n	a(n)
0	1
1	1
2	0
3	1
4	-4
5	-20
6	1
7	0
8	28
9	0
10	1
11	20
12	-84
13	-220
14	924
15	1
16	64
17	924
18	0
19	1820
20	0
21	1
22	140
23	12012
24	48620
25	16796
26	-15504
27	-48620
28	1
29	256
30	60060
31	2621440
32	2704156
33	0
34	134596
35	0
36	1
37	420
38	204204
39	29745716
40	608435100
41	155117520
42	-3801900
43	-1184040
44	2704156
45	1
46	640
47	554268
48	187432960
49	15628090140
50	146028888064
51	9075135300
52	0
53	10518300
54	0

[1, 1, 0, 1, -4, -20, 1, 0, 28, 0, 1, 20, -84, -220, 924, 1, 64, 924, 0, 1820, 0, 1, 140, 12012, 48620, 16796, -15504, -48620, 1, 256, 60060, 2621440, 2704156, 0, 134596, 0, 1, 420, 204204, 29745716, 608435100, 155117520, -3801900, -1184040, 2704156, 1, 640, 554268, 187432960, 15628090140, 146028888064, 9075135300, 0, 10518300, 0]

cp's OEIS Frontend

A364519 Square array read by ascending antidiagonals: T(n,k) = [x^(3*k)] ( (1 + x)^(n+3)/(1 - x)^(n-3) )^k for n, k >= 0.

Table of values

List of values