a(n) = A256357(n^2), where exp( Sum_{n>=1} A256357(n)*x^n/n ) = 1 + Sum_{n>=1} x^(n^2) + x^(2*n^2).
A258655
a(n) = A256357(n^2), where exp( Sum_{n>=1} A256357(n)*x^n/n ) = 1 + Sum_{n>=1} x^(n^2) + x^(2*n^2).
Terms
- a(0) =1a(1) =5a(2) =7a(3) =-19a(4) =21a(5) =59a(6) =57a(7) =-115a(8) =61a(9) =145a(10) =111a(11) =-253a(12) =157a(13) =285a(14) =147a(15) =-499a(16) =307a(17) =545a(18) =343a(19) =-599a(20) =399a(21) =643a(22) =553a(23) =-1501a(24) =521a(25) =889a(26) =547a(27) =-1083a(28) =813a(29) =1759
External references
- oeis: A258655