123090

Appears in sequences

• Numbers with exactly 5 distinct prime factors each of which is a palindrome.at n=26A046403
• G.f.: A(x) = exp(Sum_{n>=1} A177430(n)*x^n/n) where A177430 is the least monotonically increasing logarithmic derivative consisting of only squares.at n=16A177432
• Triangle of sums of the first k n-th powers multiplied by binomial(n,k), read by rows.at n=26A215078
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are > p/2.at n=34A282040
• Number of 10-element subsets of [n] having a prime element sum.at n=12A320685