A290605 - cp's OEIS frontend

A290605 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4kx)).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	2
9	0
10	1
11	3
12	8
13	5
14	0
15	1
16	4
17	18
18	40
19	14
20	0
21	1
22	5
23	32
24	135
25	224
26	42
27	0
28	1
29	6
30	50
31	320
32	1134
33	1344
34	132
35	0
36	1
37	7
38	72
39	625
40	3584
41	10206
42	8448
43	429
44	0
45	1
46	8
47	98
48	1080
49	8750
50	43008
51	96228
52	54912
53	1430
54	0
55	1
56	9
57	128
58	1715
59	18144
60	131250
61	540672
62	938223
63	366080
64	4862
65	0

[1, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 8, 5, 0, 1, 4, 18, 40, 14, 0, 1, 5, 32, 135, 224, 42, 0, 1, 6, 50, 320, 1134, 1344, 132, 0, 1, 7, 72, 625, 3584, 10206, 8448, 429, 0, 1, 8, 98, 1080, 8750, 43008, 96228, 54912, 1430, 0, 1, 9, 128, 1715, 18144, 131250, 540672, 938223, 366080, 4862, 0]

cp's OEIS Frontend

A290605 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4kx)).

Table of values

List of values

cp's OEIS Frontend

A290605 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4*k*x)).

Table of values

List of values

A290605 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4kx)).