24904

Appears in sequences

• a(n)= Sum_{j=0..floor(n/2)} A073145(2*j + q), where q = 2*(n/2 - floor(n/2)).at n=38A074585
• Column 4 of A048790.at n=11A094160
• a(n) = least m such that sum of m reciprocal primes starting with n-th prime is >1.at n=24A137368
• Absolute discriminants of complex quadratic fields with 3-class group of elementary abelian type (3,3) of rank 2.at n=24A242863
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 2.at n=10A242864
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241).at n=5A247689
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) whose second 3-class group is located on the sporadic part of the coclass graph G(3,2) outside of coclass trees.at n=14A247691
• Smallest integer m such that gcd{x | sum of proper divisors of x is m} is equal to 2*n, when there are at least two such x's.at n=24A253303
• Numbers k such that Bernoulli number B_{k} has denominator 61410.at n=11A295591