A300553 Number of 5-cycles in the n-polygon diagonal intersection graph.

0, 4, 12, 36, 56, 120, 135, 250, 297, 684, 520, 910, 945, 1616, 1428, 2826, 2489, 3500, 3654, 5346, 4899, 9000, 7175, 10010, 9909, 14028, 13050, 21960, 17577, 23552, 21582, 28798, 28385, 38952, 36778, 47044, 43992, 57680, 51455, 77238, 66865, 81576

Offset

3,2

Links

Andrew Howroyd, Table of n, a(n) for n = 3..100

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph

Crossrefs

A062361 (3-cycles), A300552 (4-cycles), A300554 (6-cycles).

Sequence in context: A149318 A233181 A053595 * A062858 A095735 A020875

Adjacent sequences: A300550 A300551 A300552 * A300554 A300555 A300556

Keyword

nonn

Author

Eric W. Weisstein, Mar 08 2018

Extensions

Terms a(21) and beyond from Andrew Howroyd, Mar 11 2018

Status

approved