T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
A299089
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =4a(6) =8a(7) =26a(8) =26a(9) =8a(10) =16a(11) =88a(12) =92a(13) =88a(14) =16a(15) =32a(16) =298a(17) =354a(18) =354a(19) =298a(20) =32a(21) =64a(22) =1012a(23) =1387a(24) =1617a(25) =1387a(26) =1012a(27) =64a(28) =128a(29) =3440
External references
- oeis: A299089