-890

Appears in sequences

• E.g.f.: arctan(arctanh(x)*exp(x))=x+2/2!*x^2+3/3!*x^3-12/4!*x^4-147/5!*x^5...at n=6A012713
• Expansion of 1/(1+x^2-x^3+x^4).at n=33A129903
• Triangle read by rows: row n (n > 0) gives the coefficients of x^k (0 <= k <= n - 1) in the expansion of Sum_{j=0..n} A000931(j+4)*binomial(n, j)*x^(j - 1)*(1 - x)^(n - j).at n=53A144400
• Composition of Catalan and Fibonacci numbers.at n=64A189675
• Polylogarithm li(-n,-2/3) multiplied by (5^(n+1))/3.at n=5A212847
• Expansion of f(-x) * f(-x^2)^4 / phi(x^2) in powers of x where phi(), f() are Ramanujan theta functions.at n=33A275372