68378310domain: NAppears in sequencesa(n) = 7*(n+1)*binomial(n+6,7)/2.at n=20A027819Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-8.at n=13A180298G.f.: 1/(1-x-x^2-2*x^3-5*x^4).at n=23A212340