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A007124
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Number of strength 1 Eulerian graphs with n nodes, 2 of odd degree.
(Formerly M1494)
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1
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0, 1, 2, 5, 16, 62, 344, 2888, 42160, 1130244, 57349936, 5479605296, 979383162528, 326346868386848, 202753892253143616, 235314078797344415360, 511563560865769179773568, 2089489084248273187063929888
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listen;
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OFFSET
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1,3
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REFERENCES
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R. W. Robinson, personal communication.
R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1979.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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