31146

Appears in sequences

• Number of trees of diameter 4.at n=39A000094
• G.f. satisfies A(x) = 1 + x*cycle_index(Sym(5), A(x)).at n=14A036721
• Fibonacci(p-J(p,5)) mod p^2, where p is the n-th prime and J is the Jacobi symbol.at n=40A113650
• (n-1)-st elementary symmetric function of first n Lucas numbers, starting with L(1)=1.at n=5A203010
• Composite squarefree numbers n such that p(i)-4 divides n+4, where p(i) are the prime factors of n.at n=16A225704
• Numbers k such that (10^k + 101)/3 is prime.at n=28A271882
• a(n) = 3*(9*n - 1)*(3*n - 2).at n=20A277985
• Sum of the largest parts in the partitions of n into 6 parts.at n=40A308873
• a(n) = (prime(n)+1) * prime(n+1).at n=39A345727
• Consider primitive pairs of integers (b, c) with b > 0 such that x^5 + b*x + c = 0 is irreducible and solvable by radicals: sequence gives values of b.at n=32A371553