1783839948domain: NAppears in sequencesNumber of side-n hexagonal 0..5 arrays with values nondecreasing E, SW and SE.at n=3A216934T(n,k)=Number of side-n hexagonal 0..k arrays with values nondecreasing E, SW and SE.at n=31A216937Number of side-4 hexagonal 0..n arrays with values nondecreasing E, SW and SE.at n=4A216940