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A263629 A sequence B(3,n) arising from the enumeration of braids. 1
15, 90, 602, 4060, 28356, 200088 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
COMMENTS
It would be nice to have a recurrence.
REFERENCES
Iris Anshel, Personal communication, Oct 23 2015.
LINKS
Table of n, a(n) for n=2..7.
CROSSREFS
Cf. A263628.
Sequence in context: A005716 A292055 A263628 * A320524 A218408 A048630
Adjacent sequences: A263626 A263627 A263628 * A263630 A263631 A263632
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 27 2015
STATUS
approved

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Last modified May 18 12:18 EDT 2024. Contains 372630 sequences. (Running on oeis4.)