|
Search: id:A006471
|
|
|
| A006471 |
|
Number of rooted planar maps.
(Formerly M4021)
|
|
+0
1
|
|
| 5, 84, 650, 3324, 13020, 42240, 118998, 300300, 693693, 1490060, 3011580
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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: A035512 A054953 A111834 this_sequence A061628 A111911 A156720
Adjacent sequences: A006468 A006469 A006470 this_sequence A006472 A006473 A006474
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
