30514

Appears in sequences

• Hexagonal prism numbers: a(n) = (n + 1)*(3*n^2 + 3*n + 1).at n=21A005915
• Largest term in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.at n=12A077637
• a(n) = n*(5n^2 + 3n + 4) / 6.at n=33A203551
• Number of partitions of n whose median is a part.at n=39A238478
• G.f. A(x) satisfies: A(x) = x + A( x^2 + x*A(x)^2 ).at n=13A271867
• Numbers k such that k and k + 1 have the same norm of the sum of divisors in Gaussian integers.at n=0A332315
• Products of four distinct primes between sphenic numbers (products of 3 distinct primes).at n=27A351382