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A259345 Number of labeled single-linkage dendrograms. 0
1, 1, 1, 30, 750 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..5.
O. Frank and K. Svensson, On probability distributions of single-linkage dendrograms, Journal of Statistical Computation and Simulation, 12 (1981), 121-131. (Annotated scanned copy)
C. L. Mallows, Note to N. J. A. Sloane circa 1979.
CROSSREFS
Sequence in context: A166828 A053509 A273435 * A181201 A089507 A045689
Adjacent sequences: A259342 A259343 A259344 * A259346 A259347 A259348
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 27 2015, following a suggestion by Colin Mallows from 1981
STATUS
approved

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Last modified May 17 01:45 EDT 2024. Contains 372572 sequences. (Running on oeis4.)