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A260666
Number of patterns with perimeter n in the planar net 3.3.4.3.4, mirrors and holes are excluded.
1
0, 0, 1, 2, 1, 3, 6, 13
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OFFSET
1,4
COMMENTS
Inspired by
A057729
which is in planar net 3.3.3.3.3.3.
LINKS
Table of n, a(n) for n=1..8.
Kival Ngaokrajang,
Illustration of initial terms
CROSSREFS
Cf.
A057729
.
Sequence in context:
A049900
A024741
A024961
*
A140644
A321651
A326308
Adjacent sequences:
A260663
A260664
A260665
*
A260667
A260668
A260669
KEYWORD
nonn
,
more
AUTHOR
Kival Ngaokrajang
, Nov 14 2015
STATUS
approved
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Last modified May 21 14:18 EDT 2024. Contains 372738 sequences. (Running on oeis4.)
