2291335

Appears in sequences

• Convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n >= 0, with itself.at n=18A073371
• Number of lower triangles of an (n+2) X (n+2) 0..2 array with new values introduced in row major order 0..2 and no element unequal to more than one horizontal or vertical neighbor.at n=16A194772