Number of n X 3 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A299874
Number of n X 3 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =13a(2) =20a(3) =41a(4) =102a(5) =253a(6) =632a(7) =1563a(8) =3896a(9) =9791a(10) =24572a(11) =61631a(12) =154742a(13) =388577a(14) =975708a(15) =2450385a(16) =6154002a(17) =15455231a(18) =38815904a(19) =97487349a(20) =244842342a(21) =614933595a(22) =1544442076a(23) =3878963103a(24) =9742282792a(25) =24468455765a(26) =61454383034a(27) =154347516727
External references
- oeis: A299874