Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303239
Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =34a(2) =60a(3) =255a(4) =1106a(5) =5158a(6) =23995a(7) =108726a(8) =506416a(9) =2400455a(10) =11206914a(11) =52620426a(12) =248789167a(13) =1172758534a(14) =5532271468a(15) =26154017151a(16) =123634836850a(17) =584566350050
External references
- oeis: A303239