Number of 4 X n 0..2 arrays with no element equal to any value at offset (-1,-2) (0,-1) or (-1,0) and new values introduced in order 0..2.
A274751
Number of 4 X n 0..2 arrays with no element equal to any value at offset (-1,-2) (0,-1) or (-1,0) and new values introduced in order 0..2.
Terms
- a(0) =4a(1) =27a(2) =144a(3) =813a(4) =4554a(5) =25585a(6) =143634a(7) =806695a(8) =4529786a(9) =25438375a(10) =142850048a(11) =802197187a(12) =4504820208a(13) =25297392889a(14) =142060454416a(15) =797757713921
External references
- oeis: A274751