Number of lower triangles of an n X n 0..7 array with new values introduced in row major order 0..7 and no element equal to more than one horizontal or vertical neighbor.
A194539
Number of lower triangles of an n X n 0..7 array with new values introduced in row major order 0..7 and no element equal to more than one horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =4a(2) =132a(3) =68106a(4) =703256449
External references
- oeis: A194539