801139domain: NAppears in sequencesOverpseudoprimes to base 3.at n=33A141350Expansion of Product_{k>=1} (1 + x^k/(1 - x)^k)^k.at n=14A320564Composite numbers k == 5, 7 (mod 12) such that 3^((k-1)/2) == -1 (mod k).at n=28A375918