T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281139
T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its king-move 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) =0a(5) =1a(6) =2a(7) =24a(8) =24a(9) =2a(10) =8a(11) =112a(12) =297a(13) =112a(14) =8a(15) =28a(16) =504a(17) =1046a(18) =1046a(19) =504a(20) =28a(21) =94a(22) =2528a(23) =3460a(24) =2368a(25) =3460a(26) =2528a(27) =94a(28) =304a(29) =11712
External references
- oeis: A281139