12582913

Appears in sequences

• a(0) = 1; thereafter a(n) = 3*2^(n-1) + 1.at n=23A004119
• Numbers that are the sum of 4 positive 11th powers.at n=31A004815
• Expansion of g.f.: (3+x+2*x^2-2*x^3)/((1-2*x)*(1+x^2)).at n=22A100720
• a(1) = 2, a(2) = 4; a(n) = 2*a(n-1) - 1.at n=23A103204
• a(n) = 3*4^n + 1.at n=11A140660
• a(n) = 3*2^n + 1.at n=22A181565
• a(n) = 6*8^n+1.at n=7A199554