-3465

Appears in sequences

• q-factorial numbers for q=-2.at n=6A015013
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x) - x^2/(1-x)^3 + xy*f(x,y)^3.at n=40A086632
• Number triangle T(n,k) = (-1)^(n-k)*[k<=n]*Product_{i=k+1..n} Sum_{j=0..i-1} A078008(j-1).at n=22A128210
• Triangle of characteristic polynomials, see Mathematica code.at n=50A158389
• G.f. A(x) satisfies: [x^(n+3)] A(F^n(x)) = 0 for n>0 where F^n(x) denotes the n-th iteration of F(x) = x+x^2 with F^0(x)=x.at n=7A187124
• Coefficient triangle of the modified Hermite-Bell polynomials for power -2.at n=19A215269
• Triangle read by rows: The inverse Bell transform of the triple factorial numbers (A007559).at n=38A265605
• Irregular triangle T(n,k) read by rows of the reduced coefficients of Pi^(2*k) in the expansion of Sum_{k>=1} (1 / (4*k^2-1)^n).at n=16A382782
• a(n) = Product_{k=0..n-1} (3*n-4*k).at n=5A384241
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) is the n-th q-factorial number for q=-k.at n=42A384454