61723

Properties

Appears in sequences

• a(n) = (Sum_{k=1..A047380(n)} k^6) / (Sum_{k=1..A047380(n)} k^2).at n=11A133180
• a(n) = 373 + 1947*n + 3780*n^2 + 3234*n^3 + 1029*n^4.at n=2A134161
• Primes of the form 9n^3-8.at n=5A201034
• Unique terms in sequence A210144.at n=44A214196
• a(n) is the smallest nonnegative k such that there is no 3 X 3 matrix with entries in {1,...,n} whose determinant is k.at n=33A262719
• Prime numbersat n=6211