Number of n X 3 0..1 arrays with each 1 adjacent to 2 or 3 king-move neighboring 1s.
A295980
Number of n X 3 0..1 arrays with each 1 adjacent to 2 or 3 king-move neighboring 1s.
Terms
- a(0) =1a(1) =15a(2) =44a(3) =110a(4) =581a(5) =2354a(6) =8452a(7) =35474a(8) =146560a(9) =580023a(10) =2356053a(11) =9619854a(12) =38867687a(13) =157518881a(14) =639985423a(15) =2594957421a(16) =10522265148a(17) =42696678744a(18) =173200350255a(19) =702516695938
External references
- oeis: A295980