Similar to A057835 except using K * X / log(X), K=1.022.

A128910

Similar to A057835 except using K * X / log(X), K=1.022.

Terms

    a(0) =0a(1) =3a(2) =20a(3) =119a(4) =715a(5) =4523a(6) =30509a(7) =213343a(8) =1530983a(9) =11203550a(10) =83064263a(11) =620498643a(12) =4643259527a(13) =34592032908a(14) =254639722327

External references