Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north neighbor modulo 6 and the upper left element equal to 0.
A267754
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north neighbor modulo 6 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =15a(2) =780a(3) =68151a(4) =7280046a(5) =873319806a(6) =113187903900
External references
- oeis: A267754