|
| |
|
|
A060066
|
|
Number of tame meanders with 2n crossings.
|
|
8
| |
|
|
1, 3, 15, 93, 657, 5063, 41535, 357205, 3187599, 29303687, 276062807, 2654603987
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
LINKS
| R. Bacher, Meander algebras
|
|
|
CROSSREFS
| Meander sequences in Bacher's paper: A005315, A060066, A060089, A060111, A060148, A060149, A060174, A060198, A060206.
Sequence in context: A074539 A103210 A203014 * A206177 A128240 A177341
Adjacent sequences: A060063 A060064 A060065 * A060067 A060068 A060069
|
|
|
KEYWORD
| nonn,nice
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Apr 10 2001
|
|
|
EXTENSIONS
| More terms from Larry Reeves (larryr(AT)acm.org), Apr 26 2001
|
| |
|
|
