338479232

Appears in sequences

• exp(arctanh(x)*cos(x)) = 1+x+1/2!*x^2-3/4!*x^4+45/6!*x^6+504/7!*x^7...at n=13A012738
• sinh(arctanh(x)*cos(x))=x+504/7!*x^7+24384/9!*x^9+2375296/11!*x^11...at n=6A012744