-1197

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^9 in powers of x.at n=11A001487
• arctan(sec(x)*tan(x))=x+3/3!*x^3-15/5!*x^5-1197/7!*x^7-255/9!*x^9...at n=3A012796
• Triangle read by rows: coefficients of a Hermite-like set of recursive polynomials that appear by integration to be orthogonal using the substitution on the Hermite recursion of n->f(n) where f(n)=A000931[n] is the Padovan sequence.at n=59A137298
• INVERT transform of A002321, Mertens's function.at n=16A144031
• Numerator of Bernoulli(n, -9/10).at n=3A159029
• Expansion of 1/(1 + x^2 + x^3/(1 + x^5 + x^7/(1 + x^11 + x^13/(1 + ... + x^prime(2*k)/(1 + x^prime(2*k+1) + ...))))), a continued fraction.at n=41A292801
• Triangle read by rows: T(0,0) = 1; T(n,k) = 2 T(n-1,k) - 3 T(n-1,k-1) + T(n-1,k-2) for k = 0..2n; T(n,k)=0 for n or k < 0.at n=60A318685
• Triangle read by rows: T(0,0) = 1; T(n,k) = T(n-1,k) - 2*T(n-1,k-2) + T(n-1,k-3) for k = 0..3n; T(n,k)=0 for n or k < 0.at n=82A318686
• Expansion of Sum_{k>0} x^(2*k)/(1+x^k)^3.at n=48A363022