-4352

Appears in sequences

• sin(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4-40/6!*x^6-4352/8!*x^8...at n=3A012534
• Expansion of g.f. 1/(1 - 2*x + 8*x^2).at n=8A090591
• Hankel transform of A127275.at n=8A127276
• Triangle read by rows of coefficients of Chebyshev-like polynomials P_{n,4}(x) with 0 omitted (exponents in increasing order).at n=52A136390
• A triangle of coefficients of a product polynomial sequence based on Chebyshev T[(x,n): p(x,n) = Product_{m=0..n} Sum_{i=0..m} T(x,i).at n=37A139808
• a(n) = -2*a(n-1)+4*a(n-2), n>1 ; a(0) = 1, a(1) = -4.at n=7A152174
• Coefficient array for square of Chebyshev S-polynomials.at n=64A181878
• Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (x^n + A(x))^n = 1 + 3*Sum_{n>=1} x^(n^2).at n=12A370032