T(n,k) = Number of n X k 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
A296599
T(n,k) = Number of n X k 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =11a(5) =4a(6) =7a(7) =39a(8) =39a(9) =7a(10) =12a(11) =136a(12) =228a(13) =136a(14) =12a(15) =21a(16) =494a(17) =1441a(18) =1441a(19) =494a(20) =21a(21) =37a(22) =1785a(23) =9194a(24) =16524a(25) =9194a(26) =1785a(27) =37a(28) =65a(29) =6432
External references
- oeis: A296599