-7655domain: ZAppears in sequencesExpansion of e.g.f.: exp(sin(x)-tanh(x))=1+1/3!*x^3-15/5!*x^5+10/6!*x^6+271/7!*x^7...at n=9A013379sinh(sin(x)-tanh(x))=1/3!*x^3-15/5!*x^5+271/7!*x^7-7655/9!*x^9...at n=3A013384a(n) = n^2 - (n-1)^2 - (n-2)^2 - ... - 1^2.at n=29A179297