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A350680
Number of hitomezashi loops of width 2n+1 and height 2n+1.
1
1, 1, 2, 11, 76, 600
OFFSET
0,3
COMMENTS
The Defant--Kravitz paper proves that every hitomezashi loop has odd width and odd height.
LINKS
Colin Defant and Noah Kravitz, Loops and regions in hitomezashi patterns, arXiv:2201.03461 [math.CO], 2022.
FORMULA
a(n) = A350681(2n,n).
CROSSREFS
Sequence in context: A209101 A118802 A365146 * A349408 A053481 A368794
KEYWORD
nonn,more
AUTHOR
Colin Defant, Jan 11 2022
STATUS
approved