Column 3 of triangle A098539, which shifts columns left and up under matrix square.
A111812
Column 3 of triangle A098539, which shifts columns left and up under matrix square.
Terms
- a(0) =1a(1) =8a(2) =72a(3) =888a(4) =16392a(5) =479736a(6) =23196168a(7) =1909718520a(8) =273790460424
External references
- oeis: A111812