349576domain: NAppears in sequencesa(n) = Sum_{k=0..floor(n/8)} binomial(n-5*k, 3*k).at n=35A113032Number of (w,x,y,z) with all terms in {1,...,n} and w<average{x,y,z}.at n=29A212088a(n) = [2^n csc(1/n)] - [2^n cot(1/n)], where [ ] = floor.at n=23A333188