A301335 - cp's OEIS frontend

A301335 a(n) = [x^n] 1/(1 + (1/2)n(1 - theta_3(x))), where theta_3() is the Jacobi theta function.

n	a(n)
0	1
1	1
2	4
3	27
4	260
5	3175
6	47304
7	833147
8	16941120
9	390611331
10	10070060200
11	287028156162
12	8962583345856
13	304255011200647
14	11156593415089808
15	439452231820920000
16	18505340390664634384
17	829599437871129843839
18	39447684087807950938908
19	1983038000428208822539998
20	105080571577382659860160800

[1, 1, 4, 27, 260, 3175, 47304, 833147, 16941120, 390611331, 10070060200, 287028156162, 8962583345856, 304255011200647, 11156593415089808, 439452231820920000, 18505340390664634384, 829599437871129843839, 39447684087807950938908, 1983038000428208822539998, 105080571577382659860160800]

cp's OEIS Frontend

A301335 a(n) = [x^n] 1/(1 + (1/2)n(1 - theta_3(x))), where theta_3() is the Jacobi theta function.

Table of values

List of values

cp's OEIS Frontend

A301335 a(n) = [x^n] 1/(1 + (1/2)*n*(1 - theta_3(x))), where theta_3() is the Jacobi theta function.

Table of values

List of values

A301335 a(n) = [x^n] 1/(1 + (1/2)n(1 - theta_3(x))), where theta_3() is the Jacobi theta function.