G.f.: 1/(1 - x/(1 - x^3/(1 - x^6/(1 - x^10/(1 - x^15/(1 - x^21/(1 -...- x^(n*(n+1)/2)/(1 -...))))))), a continued fraction.
A206740
G.f.: 1/(1 - x/(1 - x^3/(1 - x^6/(1 - x^10/(1 - x^15/(1 - x^21/(1 -...- x^(n*(n+1)/2)/(1 -...))))))), a continued fraction.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =4a(7) =6a(8) =9a(9) =13a(10) =20a(11) =30a(12) =44a(13) =66a(14) =99a(15) =147a(16) =220a(17) =329a(18) =490a(19) =732a(20) =1095a(21) =1634a(22) =2440a(23) =3646a(24) =5444a(25) =8130a(26) =12146a(27) =18139a(28) =27089a(29) =40463
External references
- oeis: A206740