Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3.

A037607

Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3.

Terms

    a(0) =1a(1) =9a(2) =66a(3) =463a(4) =3243a(5) =22704a(6) =158929a(7) =1112505a(8) =7787538a(9) =54512767a(10) =381589371a(11) =2671125600a(12) =18697879201a(13) =130885154409a(14) =916196080866

External references