75961

Appears in sequences

• a(n) = n*(3*n^2 - 1)/2.at n=37A004188
• Out of all the n-digit primes, which one takes the longest time to appear in the digits of Pi (ignoring the initial 3)? The answer is A076106(n) and the position where this prime appears is a(n).at n=3A076130
• Truncated octahedron with faces of centered polygons.at n=18A193228
• Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3.at n=44A318527