A229431 Number of n X n 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..2 array.

7, 1213, 2985887, 74760946845, 15371734909895599, 26247877098036804502973

Offset: 1

Author

R. H. Hardin Sep 23 2013

Keywords

• nonn

Comments

Diagonal of A229437

Examples

			Some solutions for n=2
..4..0....3..2....1..2....3..0....3..4....5..3....0..2....4..3....1..4....3..2
..3..0....4..1....0..2....4..4....5..6....2..3....1..3....0..0....5..6....5..4