671088638

Appears in sequences

• a(n) = 5*2^n - 2.at n=27A051633
• a(n) = 5*2^(n-2) - 2 for n > 1, with a(1) = 1.at n=28A131051
• Row sums of triangle A134061.at n=27A134062
• a(n) is the smallest even number not congruent to 1 modulo 3 that starts a (2n+1)-element alternating sequence of x/2 and (3x+1) iterations ending in the maximum of its Collatz trajectory.at n=26A277215