Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 7 and the upper left element equal to 0.
A267408
Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 7 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =9a(8) =222a(9) =9469a(10) =344458a(11) =9785889a(12) =224584539a(13) =4264530811a(14) =68776676697
External references
- oeis: A267408