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A072361 Number of vertically indecomposable distributive lattices on n nodes. 2
0, 1, 0, 1, 0, 1, 0, 3, 1, 6, 2, 16, 8, 42, 28, 112, 93, 311, 295, 869, 939, 2454, 2931, 7032, 9036, 20301, 27701, 58929, 84413, 172104, 255919, 504637, 773511, 1484392, 2331180, 4378773, 7009288, 12944347, 21039961, 38328890, 63067623, 113651785, 188831922, 337361112, 564890985, 1002268019, 1688673026, 2979703035, 5045200597 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,8
LINKS
M. Erné, J. Heitzig and J. Reinhold, On the number of distributive lattices, Electronic Journal of Combinatorics, 9 (2002), #R24.
CROSSREFS
Sequence in context: A240691 A322387 A336173 * A341219 A145366 A145367
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 01 2002
EXTENSIONS
Word "distributive" added to the Name by Peter Jipsen, Mar 05 2013
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)