-24310

Appears in sequences

• Triangle of binomial coefficients C(-n,k).at n=54A027555
• a(n) = binomial(2*n-1, n)*(-1)^n.at n=9A110556
• Inverse binomial transform of A005043.at n=17A126930
• G.f. is the real part of the function C(x) that satisfies C(x) = 1 + x/C(I*x).at n=36A193382
• G.f. is the real part of the function C(x) that satisfies C(x) = 1 + x/C(I*x).at n=37A193382
• Smallest Euler characteristic of a downset on an n-dimensional cube.at n=17A214283
• Irregular triangle read by rows: T(n,m) = coefficients in a power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space trajectory.at n=55A276738
• First term of n-th difference sequence of (floor(k*r)), r = -sqrt(6), k >= 0.at n=18A325671
• Regular triangle, coefficients of the polynomial P(n)(x) = (-1)^(n+1)*(2*n+1)*binomial(2*n, n)*Sum_{i=0..n} x^i*binomial(n, i)/(n+i+1).at n=36A327809