669808747domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+1)X(5+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=9A250629Prime numbersat n=34768892