Number of side-n hexagonal 0..7 arrays with values nondecreasing E, SW and SE.
A216936
Number of side-n hexagonal 0..7 arrays with values nondecreasing E, SW and SE.
Terms
- a(0) =8a(1) =7656a(2) =46978360a(3) =609829326268
External references
- oeis: A216936