A013009 log(cos(x)+log(x+1))=x-3/2!*x^2+10/3!*x^3-55/4!*x^4+393/5!*x^5...

1, -3, 10, -55, 393, -3485, 36923, -455306, 6408445, -101402557, 1782112451, -34444583072, 726178939315, -16584396680007, 407872396640525, -10747394439586016, 302068718096449161, -9020579413121532169