61072

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones.at n=27A031797
• Square root of squares in A145768 (XOR of squares of the numbers 1..n).at n=44A145829
• Square root of squares in A145768 (XOR of squares of the numbers 1..n).at n=45A145829
• Numbers k such that sopfr(k + omega(k)) = sopfr(k), where sopfr(i) = A001414(i) and omega(i) = A001221(i).at n=35A187878
• Kochański's (or Kochanski's) sequence.at n=5A191642