a(n) = [x^n] theta_3(x)^n/(1 - x), where theta_3() is the Jacobi theta function.
A302860
a(n) = [x^n] theta_3(x)^n/(1 - x), where theta_3() is the Jacobi theta function.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =27a(4) =89a(5) =333a(6) =1341a(7) =5449a(8) =21697a(9) =84663a(10) =327829a(11) =1275739a(12) =5020457a(13) =19964623a(14) =79883141a(15) =320317827a(16) =1284656385a(17) =5152761033a(18) =20686311261a(19) =83182322509a(20) =335110196569
External references
- oeis: A302860