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Search: id:A058964
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| A058964 |
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Decimal expansion of series-parallel constant. |
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+0
3
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| 2, 8, 0, 8, 3, 2, 6, 6, 6, 9, 8, 4, 2, 0, 0, 3, 5, 5, 3, 9, 3, 2
(list; cons; graph; listen)
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OFFSET
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0,1
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REFERENCES
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J. W. Moon, Some enumerative results on series-parallel networks, Annals Discrete Math., 33 (1987), 199-226.
J. Riordan and C. E. Shannon, The number of two-terminal series-parallel networks, J. Math. Phys., 21 (1942), 83-93. Reprinted in Claude Elwood Shannon: Collected Papers, edited by N. J. A. Sloane and A. D. Wyner, IEEE Press, NY, 1993, pp. 560-570.
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LINKS
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O. Golinelli, Asymptotic behavior of two-terminal series-parallel networks.
S. R. Finch, Series-parallel networks
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FORMULA
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This number, c, is defined by Product_{n=1..inf} (1-c^n)^(-A000669[n]) = 2.
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EXAMPLE
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.2808326669842003553932...
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CROSSREFS
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See A058965 for continued fraction expansion. Cf. A000084, A000669.
Sequence in context: A011055 A020860 A058655 this_sequence A021360 A028256 A160636
Adjacent sequences: A058961 A058962 A058963 this_sequence A058965 A058966 A058967
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KEYWORD
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nonn,cons
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), E. M. Rains Jan 14 2001
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