Analog of A054474 for walks on a 3-dimensional grid.

A094059

Analog of A054474 for walks on a 3-dimensional grid.

Terms

    a(0) =1a(1) =8a(2) =152a(3) =5056a(4) =205720a(5) =9305152a(6) =449404224a(7) =22695553536

External references