A337419 - cp's OEIS frontend

A337419 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt((1-(k+4)x+sqrt(1+2(k-4)x+((k+4)x)^2)) / (2 * (1+2(k-4)x+((k+4)*x)^2))).

n	a(n)
0	1
1	1
2	2
3	1
4	1
5	6
6	1
7	0
8	-5
9	20
10	1
11	-1
12	-14
13	-41
14	70
15	1
16	-2
17	-21
18	-48
19	-125
20	252
21	1
22	-3
23	-26
24	-7
25	198
26	131
27	924
28	1
29	-4
30	-29
31	76
32	739
33	2080
34	3301
35	3432
36	1
37	-5
38	-30
39	195
40	1222
41	1629
42	1780
43	15625
44	12870
45	1
46	-6
47	-29
48	344
49	1395
50	-3772
51	-26859
52	-57120
53	16115
54	48620

[1, 1, 2, 1, 1, 6, 1, 0, -5, 20, 1, -1, -14, -41, 70, 1, -2, -21, -48, -125, 252, 1, -3, -26, -7, 198, 131, 924, 1, -4, -29, 76, 739, 2080, 3301, 3432, 1, -5, -30, 195, 1222, 1629, 1780, 15625, 12870, 1, -6, -29, 344, 1395, -3772, -26859, -57120, 16115, 48620]

cp's OEIS Frontend

A337419 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt((1-(k+4)x+sqrt(1+2(k-4)x+((k+4)x)^2)) / (2 * (1+2(k-4)x+((k+4)*x)^2))).

Table of values

List of values

cp's OEIS Frontend

A337419 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt((1-(k+4)*x+sqrt(1+2*(k-4)*x+((k+4)*x)^2)) / (2 * (1+2*(k-4)*x+((k+4)*x)^2))).

Table of values

List of values

A337419 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt((1-(k+4)x+sqrt(1+2(k-4)x+((k+4)x)^2)) / (2 * (1+2(k-4)x+((k+4)*x)^2))).