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 A301748 Number of faces in the n-polygon diagonal intersection graph. 0
 5, 12, 25, 51, 81, 155, 221, 376, 445, 782, 953, 1457, 1697, 2501, 2467, 4030, 4501, 6176, 6821, 9087, 9025, 12927, 13989, 17876, 19181, 24130, 21481, 31901, 33857, 41417, 43793, 52922, 52957, 66676, 69997, 82955, 86801, 102051, 97735, 124272, 129405, 149942, 155849 (list; graph; refs; listen; history; text; internal format)
 OFFSET 4,1 LINKS Eric Weisstein's World of Mathematics, Face Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph FORMULA a(n) = 2-A007569(n)+A135565(n) (by the polyhedral formula). CROSSREFS Cf. A007569 (vertex count). Cf. A135565 (edge count). Sequence in context: A303854 A331714 A086168 * A108201 A289586 A223233 Adjacent sequences:  A301745 A301746 A301747 * A301749 A301750 A301751 KEYWORD nonn AUTHOR Eric W. Weisstein, Mar 26 2018 STATUS approved

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Last modified September 22 17:39 EDT 2021. Contains 347607 sequences. (Running on oeis4.)