At 10:31 AM -0400 10/23/06, David Wilson wrote: >Let f(n,p) be the number of non-congruent integer-sided n-gons with >perimeter p. Then f(3,p) = A005044. > >Can we come up with a general formula/recurrence for f(n, p)? For 4-gons, see A062890. For 5-gons, see A069906. For 6-gons, see A069907. Tony