Number of 4 X n 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.
A274729
Number of 4 X n 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.
Terms
- a(0) =4a(1) =48a(2) =260a(3) =1632a(4) =10368a(5) =66132a(6) =421904a(7) =2691884a(8) =17175124a(9) =109583308a(10) =699179884a(11) =4461012792a(12) =28462825592a(13) =181602806300
External references
- oeis: A274729