Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.
A233721
Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.
Terms
- a(0) =68828a(1) =820524a(2) =10950676a(3) =170070448a(4) =2734167036a(5) =46522687660a(6) =796715658452
External references
- oeis: A233721