-4527

Appears in sequences

• G.f.: 1/(1 - x/(1+2*x - x^3/(1+2*x^2 - x^5/(1+2*x^3 - x^7/(1+2*x^4 - x^9/(1 - ...)))))), a continued fraction.at n=60A275761
• a(n) is n-th term of the Euler transform of -n,1,1,1,... .at n=13A292541