A177155 - cp's OEIS frontend

A177155 G.f.: exp( Integral (theta_3(x)^8-1)/(16x) dx ), where theta_3(x) = 1 + Sum_{n>=1} 2*x^(n^2) is a Jacobi theta function.

n	a(n)
0	1
1	1
2	4
3	13
4	35
5	87
6	217
7	539
8	1291
9	2999
10	6880
11	15595
12	34738
13	76202
14	165282
15	354655
16	752546
17	1580514
18	3289337
19	6787085
20	13887937
21	28195434
22	56824772
23	113729640
24	226104615
25	446665922
26	877063515
27	1712252521
28	3324245063
29	6419561961

[1, 1, 4, 13, 35, 87, 217, 539, 1291, 2999, 6880, 15595, 34738, 76202, 165282, 354655, 752546, 1580514, 3289337, 6787085, 13887937, 28195434, 56824772, 113729640, 226104615, 446665922, 877063515, 1712252521, 3324245063, 6419561961]

cp's OEIS Frontend

A177155 G.f.: exp( Integral (theta_3(x)^8-1)/(16x) dx ), where theta_3(x) = 1 + Sum_{n>=1} 2*x^(n^2) is a Jacobi theta function.

Table of values

List of values