76621

Appears in sequences

• Strong pseudoprimes to base 63.at n=31A020289
• a(n) = a(n-1) + a(n-2) + a(n-3) with a(0)=2, a(1)=1, a(2)=2.at n=19A214899
• a(n) = ceiling(Pi*n^3).at n=29A247194
• Numbers j in pairs (j,k), with j <> k +- 1, such that the sum of their cubes is equal to a centered cube number.at n=47A352135
• a(n) = (3*(2*n - 1)^2*((2*n - 1)^2 + 2) + 2*n + 1)/2 for n > 0.at n=7A352757