Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299670
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =26a(2) =94a(3) =372a(4) =1512a(5) =6133a(6) =24742a(7) =100035a(8) =404608a(9) =1636222a(10) =6616385a(11) =26756052a(12) =108199516a(13) =437548895a(14) =1769407046a(15) =7155326538a(16) =28935512224a(17) =117012660592a(18) =473188897749
External references
- oeis: A299670