Number of n-digit positive integers where all pairs of consecutive digits have a difference of at least 3.

A383071

Number of n-digit positive integers where all pairs of consecutive digits have a difference of at least 3.

Terms

    a(0) =9a(1) =49a(2) =282a(3) =1597a(4) =9110a(5) =51800a(6) =294962a(7) =1678509a(8) =9554447a(9) =54379100a(10) =309516061a(11) =1761665068a(12) =10026939872a(13) =57070448658a(14) =324829258129

External references