-4294901760domain: ZAppears in sequencesa(n) = 2^n-n^8.at n=16A024018a(1)=1, a(2)=2. a(n), for every positive integer n, is such that Product_{k=1..n} (Sum_{j=1..k} a(j)) = Sum_{k=1..n} Product_{j=1..k} a(j).at n=6A132076