G.f.: exp( Sum_{n>=1} A005063(n)*x^n/n ), where A005063(n) = sum of squares of primes dividing n.

Terms

a(0) =1a(1) =0a(2) =2a(3) =3a(4) =3a(5) =11a(6) =10a(7) =26a(8) =32a(9) =51a(10) =90a(11) =117a(12) =198a(13) =283a(14) =417a(15) =610a(16) =890a(17) =1284a(18) =1848a(19) =2615a(20) =3716a(21) =5217a(22) =7289a(23) =10222a(24) =14158a(25) =19514a(26) =26882a(27) =36805a(28) =50131a(29) =68428