Number of lower triangles of a (2n+1)X(2n+1) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.
A194781
Number of lower triangles of a (2n+1)X(2n+1) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.
Terms
- a(0) =6a(1) =41a(2) =265a(3) =1736a(4) =11857a(5) =85007a(6) =639753a(7) =5045602a(8) =41615156a(9) =358185389a(10) =3210667479a(11) =29914284821a(12) =289187621887
External references
- oeis: A194781