A013460 exp(arctan(x)-sinh(x))=1-3/3!*x^3+23/5!*x^5+90/6!*x^6-721/7!*x^7...

1, 0, 0, -3, 0, 23, 90, -721, -3864, 32759, 326214, -2672461, -38496876, 310461227, 6363118762, -49895013169, -1391451773264, 10516703525327, 390207547318222, -2811203923750741, -136581823796686036