T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
A280859
T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =9a(5) =4a(6) =11a(7) =29a(8) =29a(9) =11a(10) =30a(11) =110a(12) =46a(13) =110a(14) =30a(15) =82a(16) =442a(17) =96a(18) =96a(19) =442a(20) =82a(21) =224a(22) =1708a(23) =256a(24) =124a(25) =256a(26) =1708a(27) =224a(28) =612a(29) =6596
External references
- oeis: A280859