44593

Appears in sequences

• Numbers n such that h(n) = 3 h(n-1) where h(n) is the length of the sequence {n, f(n), f(f(n)), ...., 1} in the Collatz (or 3x + 1) problem. (The earliest "1" is meant.)at n=33A078420
• Expansion of Product_{k>=2} (1 + x^k)^k.at n=23A298598
• Expansion of (1/x) * Series_Reversion( x / ((1+x)^3+x^4) ).at n=7A369159