T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally.
A232677
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally.
Terms
- a(0) =36a(1) =212a(2) =212a(3) =1568a(4) =3138a(5) =1568a(6) =11878a(7) =63632a(8) =63632a(9) =11878a(10) =87680a(11) =1323984a(12) =3684840a(13) =1323984a(14) =87680a(15) =651678a(16) =26350948a(17) =223396744a(18) =223396744a(19) =26350948a(20) =651678a(21) =4846056a(22) =532378308a(23) =12890094328a(24) =39425246602a(25) =12890094328a(26) =532378308a(27) =4846056
External references
- oeis: A232677