A091885 - cp's OEIS frontend

A091885 Triangle T(n,k) defined by the generating function cosh(sqrt(y)arcsin(x)) + sqrt(y)sinh(sqrt(y)arcsin(x)) - 1 = Sum_{n>=1} Sum_{k=1..n} T(n,k)y^k *x^n/n!.

n	a(n)
1	1
2	1
3	1
4	1
5	4
6	1
7	9
8	10
9	1
10	64
11	20
12	1
13	225
14	259
15	35
16	1
17	2304
18	784
19	56
20	1
21	11025
22	12916
23	1974
24	84
25	1
26	147456
27	52480
28	4368
29	120
30	1
31	893025
32	1057221
33	172810
34	8778
35	165
36	1
37	14745600
38	5395456
39	489280
40	16368
41	220
42	1
43	108056025
44	128816766
45	21967231
46	1234948
47	28743

[1, 1, 1, 1, 4, 1, 9, 10, 1, 64, 20, 1, 225, 259, 35, 1, 2304, 784, 56, 1, 11025, 12916, 1974, 84, 1, 147456, 52480, 4368, 120, 1, 893025, 1057221, 172810, 8778, 165, 1, 14745600, 5395456, 489280, 16368, 220, 1, 108056025, 128816766, 21967231, 1234948, 28743]

cp's OEIS Frontend

A091885 Triangle T(n,k) defined by the generating function cosh(sqrt(y)arcsin(x)) + sqrt(y)sinh(sqrt(y)arcsin(x)) - 1 = Sum_{n>=1} Sum_{k=1..n} T(n,k)y^k *x^n/n!.

Table of values

List of values

cp's OEIS Frontend

A091885 Triangle T(n,k) defined by the generating function cosh(sqrt(y)*arcsin(x)) + sqrt(y)*sinh(sqrt(y)*arcsin(x)) - 1 = Sum_{n>=1} Sum_{k=1..n} T(n,k)*y^k *x^n/n!.

Table of values

List of values

A091885 Triangle T(n,k) defined by the generating function cosh(sqrt(y)arcsin(x)) + sqrt(y)sinh(sqrt(y)arcsin(x)) - 1 = Sum_{n>=1} Sum_{k=1..n} T(n,k)y^k *x^n/n!.