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Search: id:A122688
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| A122688 |
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Irregular triangle read by rows giving numbers of azulenoid isomers (see Brunvoll et al. for precise definition). |
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+0
1
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| 0, 0, 2, 0, 13, 4, 0, 75, 40, 11, 2, 455, 319, 122, 35, 5, 0, 2782, 2428, 1159, 408, 101, 19, 0
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Azulenoids, MATCH, No. 34, 1996, 91-108.
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EXAMPLE
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Triangle begins:
0
0
2 0
13 4 0
75 40 11 2
455 319 122 35 5 0
2782 2428 1159 408 101 19 0
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CROSSREFS
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Sequence in context: A013310 A058803 A107700 this_sequence A110685 A064855 A088504
Adjacent sequences: A122685 A122686 A122687 this_sequence A122689 A122690 A122691
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KEYWORD
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nonn,tabf
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2006
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