Exponents f(n), n = 1, 2, ..., in the infinite product 1 - z - z^2 - z^3 = Product_{n>=1} (1-z^n)^f(n).
A125951
Exponents f(n), n = 1, 2, ..., in the infinite product 1 - z - z^2 - z^3 = Product_{n>=1} (1-z^n)^f(n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =5a(6) =10a(7) =15a(8) =26a(9) =42a(10) =74a(11) =121a(12) =212a(13) =357a(14) =620a(15) =1064a(16) =1856a(17) =3209a(18) =5618a(19) =9794a(20) =17192a(21) =30153a(22) =53114a(23) =93554a(24) =165308a(25) =292250a(26) =517802a(27) =918207a(28) =1630932a(29) =2899434
External references
- oeis: A125951