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A060206 Number of connected symmetric meanders. 8
1, 2, 10, 66, 504, 4210, 37378 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

R. Bacher, Meander algebras

CROSSREFS

Meander sequences in Bacher's paper: A005315, A060066, A060089, A060111, A060148, A060149, A060174, A060198, A060206.

Sequence in context: A064170 A151410 A027307 * A108205 A108397 A049036

Adjacent sequences:  A060203 A060204 A060205 * A060207 A060208 A060209

KEYWORD

nonn,more,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 10 2001

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.