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A309159 Number of generalized polyforms on the snub square tiling with n cells. 12
1, 2, 2, 4, 10, 28, 79, 235, 720, 2254, 7146, 22927, 74137, 241461, 790838, 2603210, 8604861, 28549166, 95027832, 317229779, 1061764660, 3562113987, 11976146355 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
The generalized polyforms counted by this sequence are "free", which means that they are counted up to rotation and reflection.
LINKS
CROSSREFS
Sequence in context: A298898 A339830 A078801 * A002420 A284016 A112556
KEYWORD
nonn
AUTHOR
Peter Kagey and Peter Taylor, Jul 15 2019
EXTENSIONS
a(19)-a(22) from Christian Sievers
STATUS
approved

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)