Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302148
Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =6a(2) =34a(3) =255a(4) =2005a(5) =15999a(6) =128319a(7) =1030709a(8) =8283143a(9) =66576711a(10) =535145269a(11) =4301582207a(12) =34576983087a(13) =277937230517
External references
- oeis: A302148