40773

Appears in sequences

• Antidiagonal sums of number triangle A129652.at n=7A129653
• 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=25A250240
• Numbers k == 33 (mod 60) such that 2k+1, 2k+5, 3k+2 and 3k+8 are all primes.at n=10A283552
• Number of maximal primitive subsets of {1..n}.at n=51A326077
• G.f.: Sum_{k>=0} x^k * Product_{j=1..6*k} (1 + x^j)/(1 - x^j).at n=23A385092