A124480 - OEIS

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A124480

Number of hook length posets with n elements.

4

1, 2, 4, 10, 23, 63, 165

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

Cheryl A. Gann and Robert A. Proctor, Poset Counts

Robert A. Proctor, Definition of hook length poset

CROSSREFS

Cf. A000112, A124481, A124482, A124483, A124016.

Sequence in context: A210567 A210592 A206432 * A337179 A130967 A148087

Adjacent sequences: A124477 A124478 A124479 * A124481 A124482 A124483

KEYWORD

more,nonn

AUTHOR

Franklin T. Adams-Watters, Nov 03 2006

STATUS

approved