2097172

Appears in sequences

• a(n) = 2^n + n - 1.at n=21A052944
• Row sums of triangle A132735.at n=21A132736
• a(n) = the smallest positive multiple of n with exactly n digits when written in binary.at n=21A162213
• a(n) = (n-2)*2^(n-1) + n + 2.at n=18A343291