A088015 - cp's OEIS frontend

A088015 Expansion of e.g.f. cosh(sqrt(2)x) + exp(x)(cosh(sqrt(2)*x) - 1).

n	a(n)
0	1
1	0
2	4
3	6
4	20
5	40
6	106
7	238
8	592
9	1392
10	3394
11	8118
12	19664
13	47320
14	114370
15	275806
16	666112
17	1607520
18	3881410
19	9369318
20	22620560
21	54608392
22	131838370
23	318281038
24	768402496
25	1855077840
26	4478562274
27	10812186006
28	26102942480
29	63018038200

[1, 0, 4, 6, 20, 40, 106, 238, 592, 1392, 3394, 8118, 19664, 47320, 114370, 275806, 666112, 1607520, 3881410, 9369318, 22620560, 54608392, 131838370, 318281038, 768402496, 1855077840, 4478562274, 10812186006, 26102942480, 63018038200]

cp's OEIS Frontend

A088015 Expansion of e.g.f. cosh(sqrt(2)x) + exp(x)(cosh(sqrt(2)*x) - 1).

Table of values

List of values

cp's OEIS Frontend

A088015 Expansion of e.g.f. cosh(sqrt(2)*x) + exp(x)*(cosh(sqrt(2)*x) - 1).

Table of values

List of values

A088015 Expansion of e.g.f. cosh(sqrt(2)x) + exp(x)(cosh(sqrt(2)*x) - 1).