56377

Properties

Appears in sequences

• Prime numbers n such that n = p1^3 + p2^3 + p3^3, a sum of cubes of 3 distinct prime numbers.at n=28A137365
• Subsequence of A137365 where it is possible to choose p1, p2, p3 so that p1+p2+p3 = prime.at n=26A137366
• a(n) = numerator of T(n, 2) with T(n, m) = Sum_{k=0..n}( 1/(m*k+1) * Sum_{j=0..m*k} (-1)^j*C(k,j)*j^(m*n) ).at n=4A273196
• Centered cubohemioctahedral numbers: a(n) = 2*n^3+9*n^2+n+1.at n=29A274973
• Prime numbersat n=5715