53767

Appears in sequences

• Number of n X 3 binary arrays with all 1s connected and a path of 1s from top row to lower right corner.at n=6A163012
• Number of n X 7 binary arrays with all 1s connected and a path of 1s from left column to lower right corner.at n=2A163024
• E.g.f.: Sum_{n>=0} x^(n^2)*exp(n^2*x).at n=7A206591
• Numbers n such that n^2048 + (n+1)^2048 is prime.at n=42A274235
• G.f.: Sum_{k>=1} x^k/(1-x^k) * Product_{k>=1} (1+x^k).at n=47A305082
• Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to lower right corner.at n=42A391489