26512143

Appears in sequences

• Smallest start for a '3x+1' sequence containing 2^n.at n=27A010120
• Smallest start for a '3x+1' sequence containing 2^n.at n=28A010120
• Smallest number to give 2^(2n) in a hailstone (or 3x + 1) sequence.at n=13A054646
• a(n) = least number k such that 2^n is highest in Collatz(3x+1) trajectory of k.at n=28A225124
• The least k such that the Collatz (3x+1) iteration of k contains 2^n as the largest power of 2.at n=28A231610
• Indices of records in A237660.at n=12A237661
• Smallest number k which becomes a power of 2 after being transformed by the reduced Collatz function k=(3*k+1)/2 precisely n times.at n=3A287319
• Indices of records in A347409.at n=16A347668
• Indices of first occurrences of n in A347409.at n=28A347669
• Odd numbers whose Collatz trajectory is a Sidon sequence.at n=16A374527