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Search: id:A057408
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A057408 Number of self-avoiding polygons of area n with 3 (self-avoiding polygon) holes on square lattice (not allowing rotations). +0
1
10, 212, 2530, 22640, 169906, 1131904, 6920388, 39668532, 216315230, 1133876128, 5757104542, 28478125312, 137854314576, 655307492388, 3067528095994, 14171567365156, 64732059542906, 292778085749036 (list; graph; listen)
OFFSET

18,1

LINKS

I. Jensen, Table of n, a(n) for n = 18..47 (from link below)

I. Jensen, More terms

CROSSREFS

Adjacent sequences: A057405 A057406 A057407 this_sequence A057409 A057410 A057411

Sequence in context: A001450 A076803 A120596 this_sequence A002967 A007698 A007699

KEYWORD

nonn

AUTHOR

njas, Aug 30 2000

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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