33981domain: NAppears in sequencesa(n) is the solution to the postage stamp problem with 4 denominations and n stamps.at n=39A001209Schoenheim bound L_1(n,n-5,n-6).at n=24A036837Floor of (n/e)^(n/e).at n=15A037446a(n) = (binomial(n,5) - floor(n/5)) / 5.at n=25A215052