226590

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 68.at n=13A031746
• a(n) = 196*n^2 + 14.at n=34A158555
• Smallest m, such that there are exactly n solutions of the equation (m+k)' = m' + k', where 1 <= k <= 2*m and x' = A003415(x), the arithmetic derivative of x.at n=21A258138
• Products of 6 distinct primes that are sandwiched between semiprime numbers.at n=25A378627