At 5:15 PM -0400 10/24/06, franktaw at netscape.net wrote: >Should be A057886. (Once in a while, the "6" key on my keyboard >doesn't register.) I corrected A057886, which was wrong starting at a(48). I also submitted new sequences, like A057886, that count (up to rotations and reversals) pentagons, hexagons, and k-gons having perimeter n. They are A124285-7. Tony