187131

Appears in sequences

• Powers of fifth root of 18 rounded up.at n=21A018167
• Numbers that are the sum of the divisors of two distinct coprime squares.at n=1A059113
• Sqrt(sigma(A008847(n)^2)), where A008847 lists m such that sigma(m^2) is a square.at n=16A163763
• Sums s of squares of three consecutive primes, such that s-+2 are primes.at n=8A164130
• Let S be any integer in the range 3 <= S <= 17. Sequence has the property that a(n)*S is the sum of all positive integers whose decimal expansion has <= n digits and contains at most two distinct nonzero digits p and q such that p+q=S.at n=5A328348