142142

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 58.at n=12A031736
• a(n) = n base 5, under morphism f(1) = 121, f(2) = 123, f(3) = 141, f(4) = 142, or 0 if n base 5 has a zero.at n=23A137850
• a(n) = 169*n^2 + 13.at n=29A158548
• a(n) is the least k such that the average number of unitary divisors of {1..k} is >= n.at n=7A328331