-2079
domain: Z
Appears in sequences
- Expansion of e.g.f.: arcsin(arcsinh(x)*log(x+1)).at n=7A012574
- E.g.f.: exp(x)/(1+LambertW(x)).at n=5A069856
- First differences of A014292.at n=25A104862
- Riordan array ((1-x^2)/(1+3x+x^2),x/(1+3x+x^2)).at n=51A110168
- A symmetrical triangle sequence: T(n, k) = q^k + q^(n-k) - q^n, with q=3.at n=31A176225
- A symmetrical triangle sequence: T(n, k) = q^k + q^(n-k) - q^n, with q=3.at n=32A176225
- G.f.: real part of 1/(1 - i*x - i*x^2) where i=sqrt(-1).at n=24A201837
- Expansion of g.f.: (-1 + sqrt(1+12*x+48*x^2)) / (6*x).at n=7A240880
- First term of n-th difference sequence of (floor(k*r)), r = sqrt(3), k >= 0.at n=13A325666
- The independence polynomial of the n-halved cube graph evaluated at -1.at n=6A355558
- Expansion of (1 - x + x^2)/(1 - 2*x + 3*x^2 + 2*x^3 + x^4).at n=12A375275