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Search: id:A006294
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| A006294 |
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Number of rooted planar maps with n edges.
(Formerly M3922)
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+0
1
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| 1, 1, 5, 22, 164, 1030, 8885, 65954, 614404, 5030004, 49145460, 429166584, 4331674512, 39599553708, 409230997461
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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Tutte, W. T.; On the enumeration of planar maps. Bull. Amer. Math. Soc. 74 1968 64-74.
T. R. S. Walsh, Combinatorial Enumeration of Non-Planar Maps. Ph.D. Dissertation, Univ. of Toronto, 1971.
T. R. S. Walsh and A. B. Lehman, Counting rooted maps by genus, J. Comb. Thy B13 (1972), 122-141 and 192-218.
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CROSSREFS
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Sequence in context: A028561 A009638 A121942 this_sequence A129437 A048252 A066866
Adjacent sequences: A006291 A006292 A006293 this_sequence A006295 A006296 A006297
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KEYWORD
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nonn
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AUTHOR
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njas
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