751783domain: NAppears in sequencesPartial sums of A001159: Sum_{j=1..n} sigma_4(j).at n=19A064604Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + x)/(1 - 2*x - 11*x^2 - 6*x^3).at n=9A179596