1273021domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,0 3,1 3,2 4,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=10A155341Prime numbersat n=98126