T(n,k)=Number of (n+2)X(k+2) 0..1 arrays x(i,j) with every row sum{j*x(i,j), j=1..k+2} equal, and every column sum{i*x(i,j), i=1..n+2} equal, with upper left element zero.
A232654
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays x(i,j) with every row sum{j*x(i,j), j=1..k+2} equal, and every column sum{i*x(i,j), i=1..n+2} equal, with upper left element zero.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =1a(4) =2a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =5a(11) =1a(12) =7a(13) =1a(14) =5a(15) =8a(16) =5a(17) =7a(18) =7a(19) =5a(20) =8a(21) =1a(22) =8a(23) =1a(24) =7a(25) =1a(26) =8a(27) =1a(28) =1a(29) =1
External references
- oeis: A232654