T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
A278157
T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements 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) =2a(5) =0a(6) =0a(7) =7a(8) =7a(9) =0a(10) =0a(11) =22a(12) =42a(13) =22a(14) =0a(15) =0a(16) =75a(17) =268a(18) =268a(19) =75a(20) =0a(21) =0a(22) =254a(23) =1759a(24) =3382a(25) =1759a(26) =254a(27) =0a(28) =0a(29) =859
External references
- oeis: A278157