8737047domain: NAppears in sequencesNumber of side-n hexagonal 0..6 arrays with values nondecreasing E, SW and SE.at n=2A216935T(n,k)=Number of side-n hexagonal 0..k arrays with values nondecreasing E, SW and SE.at n=30A216937Number of side-3 hexagonal 0..n arrays with values nondecreasing E, SW and SE.at n=5A216939