77667

Appears in sequences

• Odd numbers having no odd primes in their Collatz (3x+1) trajectory.at n=20A221475
• Odd numbers n containing 16384 as the highest power of 2 in the Collatz (3x+1) iteration.at n=5A247715
• a(n) is the least nonnegative number whose digits do not appear in order (not necessarily consecutively) in the concatenation of all previous terms.at n=32A308540
• Terms of A198587 congruent {1, 3, 7} (mod 8).at n=14A385110