T(n,k)=Number of nXk 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278014
T(n,k)=Number of nXk 0..2 arrays with every element plus 1 mod 3 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) =6a(5) =0a(6) =0a(7) =28a(8) =30a(9) =0a(10) =0a(11) =168a(12) =410a(13) =198a(14) =0a(15) =0a(16) =960a(17) =6372a(18) =7204a(19) =1230a(20) =0a(21) =0a(22) =5530a(23) =98410a(24) =315060a(25) =121826a(26) =7734a(27) =0a(28) =0a(29) =31808
External references
- oeis: A278014