752785domain: NAppears in sequencesExpansion of e.g.f.: log(1+sinh(tan(x))).at n=9A009348arctan(sin(tanh(x)))=x-5/3!*x^3+121/5!*x^5-7013/7!*x^7+752785/9!*x^9...at n=4A012046Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 8.at n=54A137111Central moment sequence of tr(A^4) in USp(4).at n=12A138354