-3280

Appears in sequences

• Expansion of (1-4x)/(1-x^2+x^3).at n=27A117379
• Triangle of coefficients of p(x,n) = (1/2)*(1-x)^(n+1)*Sum_{m >= 0} ((4*m+3)^n - (4*m+1)^n)*x^m, read by rows.at n=44A154854
• E.g.f. C = C(x,y) satisfies: A^2 + B^2 + C^2 = 1 + y^2 and A^3 + B^3 + C^3 = 1 + y^3, where functions A = A(x,y) and B = B(x,y) are described by A278885 and A278886, respectively.at n=83A278887
• The q-analog T(q; n,k) of the triangle A163626 for 0 <= k <= n, for q = 2.at n=37A308326