172569280

Appears in sequences

• Expansion of log(1+sinh(x)*cos(x)).at n=13A009357
• arctanh(sinh(x)*cos(x))=x-20/5!*x^5-560/7!*x^7-7920/9!*x^9...at n=6A012568
• Expansion of e.g.f. log(sec(x) + sinh(x)).at n=13A013197