T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281653
T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =4a(5) =0a(6) =2a(7) =70a(8) =46a(9) =0a(10) =8a(11) =400a(12) =985a(13) =384a(14) =0a(15) =28a(16) =2128a(17) =7986a(18) =10572a(19) =2894a(20) =0a(21) =94a(22) =10512a(23) =67884a(24) =135444a(25) =104815a(26) =20444a(27) =0a(28) =304a(29) =49352
External references
- oeis: A281653