6625110

Appears in sequences

• Expansion of (2-3*x-x^2)/((1-x)*(1-2*x-x^2)).at n=18A052937
• Expansion of (1+x)*(2*x-1)/((1-x)*(x^2+2*x-1)).at n=19A174191
• a(n) = Pell(n) * Sum_{d|n} 1/Pell(d), where Pell(n) = A000129(n).at n=18A203797
• a(n) = Pell(n) * Sum_{d|n} (-1)^(n/d) / Pell(d), where Pell(n) = A000129(n).at n=18A204059
• Inverse Moebius transform of Pell numbers.at n=18A256281