

A058964


Decimal expansion of seriesparallel constant.


2



2, 8, 0, 8, 3, 2, 6, 6, 6, 9, 8, 4, 2, 0, 0, 3, 5, 5, 3, 9, 3, 2
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OFFSET

0,1


REFERENCES

J. W. Moon, Some enumerative results on seriesparallel networks, Annals Discrete Math., 33 (1987), 199226.
J. Riordan and C. E. Shannon, The number of twoterminal seriesparallel networks, J. Math. Phys., 21 (1942), 8393. Reprinted in Claude Elwood Shannon: Collected Papers, edited by N. J. A. Sloane and A. D. Wyner, IEEE Press, NY, 1993, pp. 560570.


LINKS

Table of n, a(n) for n=0..21.
S. R. Finch, Seriesparallel networks, July 7, 2003. [Cached copy, with permission of the author]
O. Golinelli, Asymptotic behavior of twoterminal seriesparallel networks, arXiv:condmat/9707023 [condmat.statmech], 1997.


FORMULA

This number, c, is defined by Product_{n=1..inf} (1c^n)^(A000669[n]) = 2.


EXAMPLE

0.2808326669842003553932...


CROSSREFS

See A058965 for continued fraction expansion. Cf. A000084, A000669.
Sequence in context: A246725 A188934 A058655 * A021360 A028256 A209455
Adjacent sequences: A058961 A058962 A058963 * A058965 A058966 A058967


KEYWORD

nonn,cons


AUTHOR

N. J. A. Sloane, E. M. Rains, Jan 14 2001


STATUS

approved



