A033565 Partially directed animals on the square lattice.

1, 1, 2, 6, 19, 62, 206, 694, 2362, 8101, 27951, 96905, 337298, 1177935, 4125287, 14482481, 50950871, 179584544, 634020055, 2241695805, 7936423123, 28131425351

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