60583

Appears in sequences

• a(n) = (2*n - 1)*(7*n^2 - 7*n + 3)/3.at n=23A063494
• Number of nonnegative solutions to x^2 + y^2 + z^2 < n^2.at n=48A218711
• Numbers k such that (865*10^k - 1)/9 is prime.at n=19A294943