58211domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p from A031924 such that A052180(p) = 23.at n=34A052238Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 13 ones in any 5 X 5 X 5 subtriangle.at n=12A154002Prime numbersat n=5896