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A006810 Percolation series for cubic lattice.
(Formerly M2805)
0
3, 9, 27, 78, 225, 633, 1785, 4944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..8.

J. Blease, Series expansions for the directed-bond percolation problem, J. Phys C vol 10 no 7 (1977), 917-924.

CROSSREFS

Sequence in context: A241574 A268013 A269613 * A090401 A181137 A113041

Adjacent sequences:  A006807 A006808 A006809 * A006811 A006812 A006813

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 22 17:39 EDT 2019. Contains 328319 sequences. (Running on oeis4.)