T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.
A205293
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.
Terms
- a(0) =81a(1) =476a(2) =476a(3) =2766a(4) =4836a(5) =2766a(6) =15728a(7) =45914a(8) =45914a(9) =15728a(10) =89630a(11) =426086a(12) =695725a(13) =426086a(14) =89630a(15) =511044a(16) =3972556a(17) =10133550a(18) =10133550a(19) =3972556a(20) =511044a(21) =2913944a(22) =37114078a(23) =150096812a(24) =234138348a(25) =150096812a(26) =37114078a(27) =2913944a(28) =16611380
External references
- oeis: A205293