54728

Appears in sequences

• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=32A047827
• Maximal number of 1432 patterns in a permutation of 1,2,...,n.at n=42A100354
• Spherical growth function of the Lamplighter group L_2 with respect to the standard generators a, t.at n=19A288348
• Expansion of Product_{k>=1} 1/(1 - x^(k*(k+1)/2))^A072964(k).at n=40A321507