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A124481 Number of connected hook length posets, with n elements. 4
1, 1, 2, 5, 11, 31, 75, 232, 607 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

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

Robert A. Proctor, Definition of hook length poset

CROSSREFS

Cf. A000112, A124480, A124482, A124483.

Sequence in context: A079225 A139466 A139467 * A002862 A190865 A139464

Adjacent sequences:  A124478 A124479 A124480 * A124482 A124483 A124484

KEYWORD

more,nonn

AUTHOR

Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Nov 03 2006

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Last modified February 15 12:59 EST 2012. Contains 205788 sequences.