T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
A240295
T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =2a(1) =4a(2) =2a(3) =8a(4) =6a(5) =4a(6) =16a(7) =26a(8) =24a(9) =4a(10) =32a(11) =90a(12) =206a(13) =56a(14) =8a(15) =64a(16) =340a(17) =1322a(18) =974a(19) =230a(20) =8a(21) =128a(22) =1194a(23) =9970a(24) =12164a(25) =8064a(26) =552a(27) =16a(28) =256a(29) =4424
External references
- oeis: A240295