A013131 exp(tanh(x)+arcsin(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+17/5!*x^5...

1, 2, 4, 7, 8, 17, 214, 1761, 8632, 38969, 381754, 5371821, 56522540, 533244077, 6087452310, 95701880241, 1458087413200, 21713687902033, 333863833250482, 6101409790911765, 114840891055289940, 2263678163011472213