-1614domain: ZAppears in sequencesE.g.f.: sin(sin(x)+log(x+1))=2*x-1/2!*x^2-7/3!*x^3+18/4!*x^4-13/5!*x^5...at n=7A012888Expansion of (1-x)/(1+x+x^2-2*x^3).at n=19A078045Coordination sequence for Penrose tiling is a(n) + tau*A103906(n), where tau is A001622.at n=6A103907Alternating row sums of A066448.at n=55A350310