62485domain: NAppears in sequencesa(n) = number of solutions to the Diophantine equation x+y^2+z^3=n^4 with positive x,y,z all distinct.at n=28A121984Numbers x such that x = Sum_{i=1..k} (x mod d_(x-i)) + Sum_{i=1..k} (x mod d_(x+i)) for some k, where d_(x-i) and d_(x+i) are the aliquot parts of (x-i) and (x+i).at n=14A286873