T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.
A240327
T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =4a(4) =5a(5) =4a(6) =6a(7) =17a(8) =17a(9) =6a(10) =8a(11) =37a(12) =116a(13) =37a(14) =8a(15) =14a(16) =80a(17) =455a(18) =455a(19) =80a(20) =14a(21) =20a(22) =213a(23) =1677a(24) =3374a(25) =1677a(26) =213a(27) =20a(28) =30a(29) =443
External references
- oeis: A240327