Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318341
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =89a(2) =160a(3) =343a(4) =1115a(5) =4133a(6) =16267a(7) =66070a(8) =270320a(9) =1112195a(10) =4584060a(11) =18912384a(12) =78063418a(13) =322286580a(14) =1330722690a(15) =5494862763a(16) =22690219542a(17) =93697259411a(18) =386917457753
External references
- oeis: A318341