805306369

Appears in sequences

• a(n) = (n-1)*2^n + 1.at n=25A000337
• a(0) = 1; thereafter a(n) = 3*2^(n-1) + 1.at n=29A004119
• a(1) = 2, a(2) = 4; a(n) = 2*a(n-1) - 1.at n=29A103204
• a(n) = 3*4^n + 1.at n=14A140660
• a(n) = 3*2^n + 1.at n=28A181565
• a(n) = 6*8^n+1.at n=9A199554
• a(n) = Sum_{d|n} d^n * binomial(n/d-1,d-1).at n=25A376019