T(n,k)=Number of nXk 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278188
T(n,k)=Number of nXk 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =3a(5) =0a(6) =0a(7) =19a(8) =28a(9) =0a(10) =0a(11) =136a(12) =544a(13) =200a(14) =0a(15) =0a(16) =935a(17) =13012a(18) =13720a(19) =1532a(20) =0a(21) =0a(22) =6381a(23) =295190a(24) =1075258a(25) =347116a(26) =11794a(27) =0a(28) =0a(29) =43478
External references
- oeis: A278188