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A056632 a(n) is the total perimeter of all self-avoiding polygons of area n on the square lattice. 2
4, 12, 48, 188, 740, 2936, 11672, 46388, 184352, 732608, 2911040, 11565964, 45949600, 182538264, 725108640, 2880270032, 11440564516, 45441048384, 180483666608, 716832688844, 2847012624636, 11307166941460 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
I. Jensen, Table of n, a(n) for n = 1..40 (from link below)
I. Jensen, More terms
CROSSREFS
Sequence in context: A149384 A108508 A019309 * A149385 A092898 A110594
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 30 2000
EXTENSIONS
Title clarified by Sean A. Irvine, Apr 26 2022
STATUS
approved

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Last modified March 3 06:28 EST 2024. Contains 370499 sequences. (Running on oeis4.)