Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 6 and the upper left element equal to 0.
A267407
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 6 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =8a(7) =132a(8) =2814a(9) =52005a(10) =763414a(11) =9421283a(12) =98242523a(13) =900233946a(14) =7350615882a(15) =54646192398a(16) =374607339026
External references
- oeis: A267407