55672

Appears in sequences

• When expressed in base 3 and then interpreted in base 7, is a multiple of the original number.at n=37A062884
• Number of distinct values obtained using n ones and the operations of sum, product and quotient.at n=18A069765
• a(n) = 49n^2 - 28n - 20.at n=33A118058
• G.f.: x / (Sum_{k>=1} k * x^k / (1 + x^k)).at n=19A335227