43927

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 35 ones.at n=18A031803
• a(n) = 38*n^2 - 1.at n=33A158596
• Non-Brauer numbers.at n=27A349044
• Odd numbers m for which A379113(m^2) > 1, i.e., k = m^2 has a proper unitary divisor d > 1 such that A048720(A065621(sigma(d)),sigma(k/d)) is equal to sigma(k).at n=48A379122