A302861 - cp's OEIS frontend

A302861 a(n) = [x^(n^2)] theta_3(x)^n/(1 - x), where theta_3() is the Jacobi theta function.

n	a(n)
0	1
1	3
2	13
3	123
4	1281
5	16875
6	252673
7	4031123
8	70554353
9	1318315075
10	26107328109
11	549772933959
12	12147113355505
13	280978137279483
14	6780378828922333
15	169829490474843659
16	4409771551548703649
17	118361723203178140163
18	3277041835527134201777
19	93455465161026267454527

[1, 3, 13, 123, 1281, 16875, 252673, 4031123, 70554353, 1318315075, 26107328109, 549772933959, 12147113355505, 280978137279483, 6780378828922333, 169829490474843659, 4409771551548703649, 118361723203178140163, 3277041835527134201777, 93455465161026267454527]

cp's OEIS Frontend

A302861 a(n) = [x^(n^2)] theta_3(x)^n/(1 - x), where theta_3() is the Jacobi theta function.

Table of values

List of values