56992

Appears in sequences

• Number of equivalence classes with primitive period n of base 3 necklaces, where necklaces are equivalent under rotation and permutation of symbols.at n=13A002075
• Number of groups of order prime(n)^6.at n=31A232106
• a(n) = 3*p^2+39*p+344+24*gcd(p-1,3)+11*gcd(p-1,4)+2*gcd(p-1,5), where p = prime(n).at n=31A269749
• G.f. A(x) satisfies A(x) = (1 + x*A(x)^2) * (1 + x^3*A(x)^7).at n=9A379089