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A033565 Partially directed animals on the square lattice. 1
1, 1, 2, 6, 19, 62, 206, 694, 2362, 8101, 27951, 96905, 337298, 1177935, 4125287, 14482481, 50950871, 179584544, 634020055, 2241695805, 7936423123, 28131425351 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

Privman and Barma, Radii of gyration of fully and partially directed animals, Z. Phys. B. Condensed Matter 57 (1984) 59-63.

LINKS

Table of n, a(n) for n=0..21.

Home page of submitter

Sean A. Irvine, Java program (github)

CROSSREFS

Sequence in context: A148465 A148466 A094817 * A094831 A033193 A071738

Adjacent sequences:  A033562 A033563 A033564 * A033566 A033567 A033568

KEYWORD

nonn

AUTHOR

Mireille Bousquet-Mélou

EXTENSIONS

Missing a(0)=1 inserted by Sean A. Irvine, Jul 08 2020

a(17)-a(21) from Sean A. Irvine, Aug 22 2020

STATUS

approved

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Last modified November 27 01:16 EST 2021. Contains 349344 sequences. (Running on oeis4.)