Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo 6 and the upper left element equal to 0.
A267399
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo 6 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =12a(4) =36a(5) =135a(6) =649a(7) =4189a(8) =33828a(9) =296985a(10) =2634316a(11) =22670355a(12) =186406508a(13) =1469990541a(14) =11163446754a(15) =82316060070
External references
- oeis: A267399