Number of n-step walks on cubic lattice (no points repeated, no adjacent points unless consecutive in path).

A174319

Number of n-step walks on cubic lattice (no points repeated, no adjacent points unless consecutive in path).

Terms

    a(0) =1a(1) =6a(2) =30a(3) =126a(4) =534a(5) =2214a(6) =9246a(7) =38142a(8) =157974a(9) =649086a(10) =2675022a(11) =10966470a(12) =45054630a(13) =184400910a(14) =755930958a(15) =3089851782a(16) =12645783414a(17) =51635728518a(18) =211059485310a(19) =861083848998

External references