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A010374 Number of directed site animals with no loops enumerated by area (or number of sites). 0
1, 2, 5, 12, 29, 72, 182, 464, 1190, 3070, 7958, 20706 (list; graph; refs; listen; history; text; internal format)
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

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Last modified April 5 06:13 EDT 2020. Contains 333238 sequences. (Running on oeis4.)