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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
OFFSET
3,9
CROSSREFS
Sequence in context: A044099 A044480 A253602 * A209186 A085381 A304387
KEYWORD
nonn
AUTHOR
Martin Renner, Mar 23 2013
STATUS
approved