Expansion of 1/(1 - Sum_{k>=2} floor(1/omega(2*k-1))*x^(2*k-1)), where omega() is the number of distinct prime factors (A001221).

A280200

Expansion of 1/(1 - Sum_{k>=2} floor(1/omega(2*k-1))*x^(2*k-1)), where omega() is the number of distinct prime factors (A001221).

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =3a(11) =4a(12) =5a(13) =7a(14) =9a(15) =11a(16) =16a(17) =21a(18) =26a(19) =37a(20) =47a(21) =61a(22) =84a(23) =108a(24) =143a(25) =191a(26) =249a(27) =331a(28) =437a(29) =575

External references