42152

Appears in sequences

• Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to SmallGroup(729,37).at n=27A250240
• Expansion of Product_{k>=1} 1/(1 - x^(k*(k+1)/2))^A072964(k).at n=39A321507