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A217751 Number of pentagonal regions in the exterior of a regular n-gon with all diagonals drawn. 1
0, 0, 0, 0, 0, 0, 0, 0, 22, 48, 78, 84, 240, 128, 306 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,9

LINKS

Table of n, a(n) for n=3..17.

CROSSREFS

Cf. A067152, A217746.

Sequence in context: A044099 A044480 A253602 * A209186 A085381 A304387

Adjacent sequences:  A217748 A217749 A217750 * A217752 A217753 A217754

KEYWORD

nonn

AUTHOR

Martin Renner, Mar 23 2013

STATUS

approved

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Last modified May 30 12:03 EDT 2020. Contains 334724 sequences. (Running on oeis4.)