158299

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 51 ones.at n=22A031819
• Composite numbers which in base 6 contain their largest proper factor as a substring.at n=18A063156
• Smallest number which requires n^2 steps in the 3x+1 problem.at n=17A066773
• Number of nX3 0..1 arrays with every element equal to 0, 1, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=14A302630