Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303200
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =21a(2) =62a(3) =185a(4) =523a(5) =2106a(6) =7425a(7) =23976a(8) =77199a(9) =278516a(10) =970352a(11) =3224100a(12) =10748487a(13) =37400625a(14) =128931566a(15) =434968863a(16) =1468892487a(17) =5046611020a(18) =17300239256a(19) =58747284770a(20) =199467828264a(21) =682129604278
External references
- oeis: A303200