1/7 the number of colorings of an n X n staggered hexagonal array with 7 colors.
A068286
1/7 the number of colorings of an n X n staggered hexagonal array with 7 colors.
Terms
- a(0) =1a(1) =150a(2) =390750a(3) =17684490750
External references
- oeis: A068286