A218894 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 nX5 array.

10, 86, 786, 6280, 54726, 463746, 3960146, 33785542, 288335090, 2461034914, 21006978672, 179319456042, 1530738564878, 13067135278520, 111548343657960, 952243061730174, 8128934949226332, 69393715746097124, 592389051962076448

Offset: 1

Author

R. H. Hardin Nov 08 2012

Keywords

• nonn

Comments

Column 5 of A218897

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..128

Formula

Empirical: a(n) = 12*a(n-1) -13*a(n-2) -154*a(n-3) -64*a(n-4) +1337*a(n-5) +1762*a(n-6) -4536*a(n-7) -11750*a(n-8) +3034*a(n-9) +33505*a(n-10) +16287*a(n-11) -53890*a(n-12) -50327*a(n-13) +94513*a(n-14) +109573*a(n-15) -153231*a(n-16) -236409*a(n-17) +131361*a(n-18) +324124*a(n-19) -42391*a(n-20) -192220*a(n-21) +114526*a(n-22) +130510*a(n-23) -108443*a(n-24) -223161*a(n-25) -66803*a(n-26) +28885*a(n-27) +14553*a(n-28) +44272*a(n-29) +50715*a(n-30) +26319*a(n-31) +1067*a(n-32) +4726*a(n-33) -18580*a(n-34) -3660*a(n-35) -1512*a(n-36) +64*a(n-37)