-47104

Appears in sequences

• Expansion of log(1+sin(tanh(x))).at n=10A009330
• Expansion of log(1+tanh(tan(x))).at n=10A009386
• log(cos(tanh(x)))=-1/2!*x^2+6/4!*x^4-72/6!*x^6+1456/8!*x^8...at n=4A012242
• A triangular sequence of coefficients of a partition two types polynomials; of Chebyshev of the first kind polynomials (A053120) and Hermite polynomials (A060821): p(x,n) = T(x,n)*H(x,n).at n=42A137456
• Denominators of a series expansion for Pi/2.at n=17A156269
• Binomial transform of [0, 1, 2, -3, -4, 5, 6, -7, -8, ...].at n=23A316386