G.f.: A(x) = exp(sum(n>=1, A084250(n)*x^n/n)), where A084250 lists the least distinct positive integers that allow A(x) to be an integer power series.

A084251

G.f.: A(x) = exp(sum(n>=1, A084250(n)*x^n/n)), where A084250 lists the least distinct positive integers that allow A(x) to be an integer power series.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =15a(8) =22a(9) =30a(10) =42a(11) =57a(12) =77a(13) =102a(14) =135a(15) =176a(16) =230a(17) =297a(18) =381a(19) =486a(20) =616a(21) =777a(22) =976a(23) =1219a(24) =1517a(25) =1880a(26) =2320a(27) =2854a(28) =3499a(29) =4273

External references