Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo 7 and the upper left element equal to 0.
A267347
Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo 7 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =9a(6) =649a(7) =25661a(8) =413155a(9) =3534075a(10) =21319105a(11) =108404456a(12) =526041190a(13) =2738297888
External references
- oeis: A267347