A302863 - cp's OEIS frontend

A302863 a(n) = [x^(n^2)] (1 + theta_3(x))^n/(2^n*(1 - x)), where theta_3() is the Jacobi theta function.

n	a(n)
0	1
1	2
2	6
3	29
4	165
5	1203
6	9763
7	83877
8	793049
9	7903501
10	83570177
11	933697153
12	10905583809
13	133352809334
14	1695473999478
15	22354920990148
16	305096197935075
17	4296142551821184
18	62336908825014452
19	930284705538262688
20	14255992611680074754
21	224065160215526683317
22	3607018540134004189466

[1, 2, 6, 29, 165, 1203, 9763, 83877, 793049, 7903501, 83570177, 933697153, 10905583809, 133352809334, 1695473999478, 22354920990148, 305096197935075, 4296142551821184, 62336908825014452, 930284705538262688, 14255992611680074754, 224065160215526683317, 3607018540134004189466]

cp's OEIS Frontend

A302863 a(n) = [x^(n^2)] (1 + theta_3(x))^n/(2^n*(1 - x)), where theta_3() is the Jacobi theta function.

Table of values

List of values