A307855 - cp's OEIS frontend

A307855 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2x + (1-4k)*x^2).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	3
9	1
10	1
11	1
12	5
13	7
14	1
15	1
16	1
17	7
18	13
19	19
20	1
21	1
22	1
23	9
24	19
25	49
26	51
27	1
28	1
29	1
30	11
31	25
32	91
33	161
34	141
35	1
36	1
37	1
38	13
39	31
40	145
41	331
42	581
43	393
44	1
45	1
46	1
47	15
48	37
49	211
50	561
51	1441
52	2045
53	1107
54	1
55	1
56	1
57	17
58	43
59	289
60	851
61	2841
62	5797
63	7393
64	3139
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 7, 1, 1, 1, 7, 13, 19, 1, 1, 1, 9, 19, 49, 51, 1, 1, 1, 11, 25, 91, 161, 141, 1, 1, 1, 13, 31, 145, 331, 581, 393, 1, 1, 1, 15, 37, 211, 561, 1441, 2045, 1107, 1, 1, 1, 17, 43, 289, 851, 2841, 5797, 7393, 3139, 1]

cp's OEIS Frontend

A307855 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2x + (1-4k)*x^2).

Table of values

List of values

cp's OEIS Frontend

A307855 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2*x + (1-4*k)*x^2).

Table of values

List of values

A307855 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2x + (1-4k)*x^2).