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A121778 Series expansion for mean-squared radius of gyration of directed and convex polygons on square lattice. 1
0, 8, 66, 522, 3772, 25138, 157212, 935140, 5343160, 29541450, 158920172, 835390460, 4305416136, 21812985652, 108875244952, 536326527048, 2611304032624, 12582098181466, 60058408242252, 284257070075212 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

I. Jensen, Table of n, a(n) for n = 1..75 (from link below)

I. Jensen, Series expansions for self-avoiding polygons

CROSSREFS

Sequence in context: A051825 A218927 A303485 * A037501 A037678 A190331

Adjacent sequences:  A121775 A121776 A121777 * A121779 A121780 A121781

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 30 2006

STATUS

approved

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Last modified July 5 07:46 EDT 2020. Contains 335462 sequences. (Running on oeis4.)