A307968 - cp's OEIS frontend

A307968 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 2/(1 + kx + sqrt(1 + 2k*x + k(k+4)x^2)).

n	a(n)
0	1
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	0
9	0
10	1
11	-3
12	2
13	2
14	0
15	1
16	-4
17	6
18	4
19	-3
20	0
21	1
22	-5
23	12
24	0
25	-24
26	-1
27	0
28	1
29	-6
30	20
31	-16
32	-63
33	48
34	11
35	0
36	1
37	-7
38	30
39	-50
40	-96
41	297
42	24
43	-15
44	0
45	1
46	-8
47	42
48	-108
49	-75
50	896
51	-621
52	-464
53	-13
54	0
55	1
56	-9
57	56
58	-196
59	72
60	1875
61	-3904
62	-1053
63	1376
64	77
65	0

[1, 1, 0, 1, -1, 0, 1, -2, 0, 0, 1, -3, 2, 2, 0, 1, -4, 6, 4, -3, 0, 1, -5, 12, 0, -24, -1, 0, 1, -6, 20, -16, -63, 48, 11, 0, 1, -7, 30, -50, -96, 297, 24, -15, 0, 1, -8, 42, -108, -75, 896, -621, -464, -13, 0, 1, -9, 56, -196, 72, 1875, -3904, -1053, 1376, 77, 0]

cp's OEIS Frontend

A307968 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 2/(1 + kx + sqrt(1 + 2k*x + k(k+4)x^2)).

Table of values

List of values

cp's OEIS Frontend

A307968 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 2/(1 + k*x + sqrt(1 + 2*k*x + k*(k+4)*x^2)).

Table of values

List of values

A307968 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 2/(1 + kx + sqrt(1 + 2k*x + k(k+4)x^2)).