122237

Appears in sequences

• Odd numbers having no odd primes in their Collatz (3x+1) trajectory.at n=26A221475
• Concatenate n-th composite integer with concatenation of its prime factors in ascending order and the sum of its prime factors.at n=5A245316
• Expansion of Product_{k>=1} (1 + x^k)^(2^k-1).at n=13A319919