Numerators of the partial sums of the reciprocals of the number of abelian groups function (A000688).

A379359

Numerators of the partial sums of the reciprocals of the number of abelian groups function (A000688).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =9a(5) =11a(6) =13a(7) =41a(8) =22a(9) =25a(10) =28a(11) =59a(12) =65a(13) =71a(14) =77a(15) =391a(16) =421a(17) =218a(18) =233a(19) =481a(20) =511a(21) =541a(22) =571a(23) =581a(24) =298a(25) =313a(26) =106a(27) =217a(28) =227a(29) =237

External references