Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 20 (most significant digit on right).

A029513

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 20 (most significant digit on right).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =5a(4) =6a(5) =10a(6) =12a(7) =14a(8) =18a(9) =19a(10) =53a(11) =703a(12) =1824a(13) =2185a(14) =2546a(15) =5054a(16) =6594a(17) =9841a(18) =1393056a(19) =1648110a(20) =1984492a(21) =2648114a(22) =3430811a(23) =8070122

External references