T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301361
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =2a(7) =6a(8) =6a(9) =2a(10) =3a(11) =15a(12) =13a(13) =15a(14) =3a(15) =5a(16) =37a(17) =34a(18) =34a(19) =37a(20) =5a(21) =8a(22) =90a(23) =92a(24) =101a(25) =92a(26) =90a(27) =8a(28) =13a(29) =223
External references
- oeis: A301361