A217979 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..1 nX5 array.

10, 10, 100, 362, 1942, 8872, 43258, 205446, 986288, 4714274, 22573862, 108013892, 516992146, 2474201538, 11841537864, 56672476422, 271231398802, 1298094250056, 6212595977182, 29733069165822, 142300516403984, 681040858862718

Offset: 1

Author

R. H. Hardin Oct 16 2012

Keywords

• nonn

Comments

Column 5 of A217982

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..53

Formula

Empirical: a(n) = 3*a(n-1) +10*a(n-2) +a(n-3) -28*a(n-4) -58*a(n-5) +41*a(n-6) +39*a(n-7) -50*a(n-8) -9*a(n-9) +100*a(n-10) +368*a(n-11) -439*a(n-12) -51*a(n-13) +370*a(n-14) -249*a(n-15) -56*a(n-16) +106*a(n-17) -33*a(n-18) -7*a(n-19) +6*a(n-20) +a(n-21)