A229388 Number of nX4 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X5 0..1 array.

164, 8592, 319340, 10624396, 345788172, 11156280332, 358453456908, 11493734735884, 368171037655052, 11787417479938060, 377292467256164364, 12074880676656054284, 386420529239766859788, 12365846497044862074892

Offset: 1

Author

R. H. Hardin Sep 21 2013

Keywords

• nonn

Comments

Column 4 of A229392

Examples

			Some solutions for n=2
..3..1..2..2....1..0..1..0....3..3..3..2....2..0..1..1....1..1..3..3
..2..2..3..1....1..2..1..0....3..2..3..3....1..0..1..2....0..2..2..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..174

Formula

Empirical: a(n) = 49*a(n-1) -560*a(n-2) +544*a(n-3) -1568*a(n-4) +17920*a(n-5) -16384*a(n-6) for n>9