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, modulo 4.
A239649
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, modulo 4.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =8a(4) =20a(5) =10a(6) =16a(7) =92a(8) =112a(9) =22a(10) =32a(11) =418a(12) =1182a(13) =560a(14) =50a(15) =64a(16) =1898a(17) =12246a(18) =13476a(19) =2874a(20) =114a(21) =128a(22) =8588a(23) =127454a(24) =320314a(25) =158728a(26) =14788a(27) =258a(28) =256a(29) =38888
External references
- oeis: A239649