a(n) = A365339(10^n).

A365474

a(n) = A365339(10^n).

Terms

    a(0) =1a(1) =7a(2) =34a(3) =193a(4) =1276a(5) =9656a(6) =78562a(7) =664643a(8) =5761519a(9) =50847598

External references