A277604 - cp's OEIS frontend

A277604 Array of coefficients T(k,n) of the formal power series A(k,x) read by upwards antidiagonals, where A(k,x) = sqrt(1 + 2xA(k,x) + (4k+1)x^2*(A(k,x))^2), k >= 0.

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	5
14	1
15	1
16	1
17	7
18	9
19	13
20	1
21	1
22	1
23	9
24	13
25	37
26	25
27	1
28	1
29	1
30	11
31	17
32	73
33	81
34	61
35	1
36	1
37	1
38	13
39	21
40	121
41	169
42	301
43	125
44	1
45	1
46	1
47	15
48	25
49	181
50	289
51	841
52	729
53	295
54	1
55	1
56	1
57	17
58	29
59	253
60	441
61	1801
62	2197
63	2549
64	625
65	1
66	1
67	1
68	19
69	33
70	337
71	625
72	3301
73	4913
74	10123
75	6561
76	1447
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 5, 1, 1, 1, 7, 9, 13, 1, 1, 1, 9, 13, 37, 25, 1, 1, 1, 11, 17, 73, 81, 61, 1, 1, 1, 13, 21, 121, 169, 301, 125, 1, 1, 1, 15, 25, 181, 289, 841, 729, 295, 1, 1, 1, 17, 29, 253, 441, 1801, 2197, 2549, 625, 1, 1, 1, 19, 33, 337, 625, 3301, 4913, 10123, 6561, 1447, 1]

cp's OEIS Frontend

A277604 Array of coefficients T(k,n) of the formal power series A(k,x) read by upwards antidiagonals, where A(k,x) = sqrt(1 + 2xA(k,x) + (4k+1)x^2*(A(k,x))^2), k >= 0.

Table of values

List of values

cp's OEIS Frontend

A277604 Array of coefficients T(k,n) of the formal power series A(k,x) read by upwards antidiagonals, where A(k,x) = sqrt(1 + 2*x*A(k,x) + (4*k+1)*x^2*(A(k,x))^2), k >= 0.

Table of values

List of values

A277604 Array of coefficients T(k,n) of the formal power series A(k,x) read by upwards antidiagonals, where A(k,x) = sqrt(1 + 2xA(k,x) + (4k+1)x^2*(A(k,x))^2), k >= 0.