54327

Appears in sequences

• Odd numbers having no odd primes in their Collatz (3x+1) trajectory.at n=16A221475
• Number of partitions p of n such that the number of numbers having multiplicity 1 in p is a part and the number of numbers having multiplicity > 1 is a part.at n=47A241414
• Numbers with more than one Collatz tripling step whose odd Collatz trajectory does not contain primes.at n=38A319936