T(n,k)=Number of nXk 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278099
T(n,k)=Number of nXk 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-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) =2a(5) =0a(6) =0a(7) =10a(8) =10a(9) =0a(10) =0a(11) =58a(12) =164a(13) =58a(14) =0a(15) =0a(16) =334a(17) =2996a(18) =2996a(19) =334a(20) =0a(21) =0a(22) =1910a(23) =52310a(24) =165408a(25) =52310a(26) =1910a(27) =0a(28) =0a(29) =10910
External references
- oeis: A278099