A010374 Number of directed site animals with no loops enumerated by area (or number of sites).

1, 2, 5, 12, 29, 72, 182, 464, 1190, 3070, 7958, 20706

Offset

1,2

References

Andrew Conway, J. Phys. A28, L125 (1995), J. Phys. A26, 3085 (1993)

Links

Table of n, a(n) for n=1..12.

Crossrefs

Sequence in context: A005593 A122745 A166292 * A307788 A025273 A217333

Adjacent sequences: A010371 A010372 A010373 * A010375 A010376 A010377

Keyword

nonn,more

Author

Iwan Jensen (iwan(AT)maths.mu.OZ.AU), Andrew Conway (arc(AT)maths.mu.oz.au)

Status

approved