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) (1,-1) or (1,0), with upper left element zero.
A278272
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) (1,-1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =4a(5) =0a(6) =0a(7) =47a(8) =47a(9) =0a(10) =0a(11) =395a(12) =1541a(13) =395a(14) =0a(15) =0a(16) =3453a(17) =46669a(18) =46669a(19) =3453a(20) =0a(21) =0a(22) =30475a(23) =1443372a(24) =4917221a(25) =1443372a(26) =30475a(27) =0a(28) =0a(29) =268257
External references
- oeis: A278272