1556609domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 128p+1 and (p-1)/128 are both prime.at n=24A086477Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155228Prime numbersat n=118132