105326domain: NAppears in sequencesT(n,n-5), array T as in A038792.at n=27A038795Expansion of (1-x)^2/(1-3*x+2*x^3-x^4).at n=12A052946Sum of terms of n-th row of A077321.at n=25A077324Number of nonempty subsets of {1..n} whose elements have an even average.at n=20A357356a(n) = Sum_{k=0..n} binomial(5*n+k+2,n-k).at n=5A390336