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Search: id:A006418
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A006418 Number of rooted planar maps.
(Formerly M5268)
+0
1
1, 38, 469, 3008, 12843, 42602, 119042, 293578, 658021, 1367170, 2670203 (list; graph; listen)
OFFSET

2,2

REFERENCES

Walsh, T. R. S.; Lehman, A. B.; Counting rooted maps by genus. III: Nonseparable maps. J. Combinatorial Theory Ser. B 18 (1975), 222-259.

CROSSREFS

Sequence in context: A020870 A007229 A039685 this_sequence A088891 A094034 A020931

Adjacent sequences: A006415 A006416 A006417 this_sequence A006419 A006420 A006421

KEYWORD

nonn

AUTHOR

njas

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.


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