Number of lower triangles of an n X n 0..4 array with new values introduced in row major order 0..4 and no element equal to more than one horizontal or vertical neighbor.
A194536
Number of lower triangles of an n X n 0..4 array with new values introduced in row major order 0..4 and no element equal to more than one horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =4a(2) =131a(3) =43785a(4) =79201795a(5) =627974590650
External references
- oeis: A194536