# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a332418 Showing 1-1 of 1 %I A332418 #19 May 18 2020 05:16:36 %S A332418 171,3581,23651,80191,213041,444251,862711,1481141,2413721,3701951, %T A332418 5493891,7765621,10833601,14589491,19315751,25064491,32107771, %U A332418 40337021,50328771,61790891,75318371 %N A332418 The number of vertices on a decagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. %C A332418 See the links in A333139 for images of the decagons. %Y A332418 Cf. A333139 (regions), A332417 (n-gons), A332419 (edges), A330846, A092866, A332599, A007569. %K A332418 nonn,more %O A332418 1,1 %A A332418 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 09 2020 %E A332418 a(6)-a(21) from _Lars Blomberg_, May 18 2020 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE