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A029852 Number of connected functions on n points with a loop of length 3. +0
1
1, 1, 3, 9, 23, 62, 169, 451, 1217, 3291, 8916, 24243, 66155, 181053, 497134, 1369064, 3780942, 10469573, 29063361, 80867990, 225508124, 630145449, 1764240907, 4948365051, 13902893423, 39124094362, 110265280739 (list; graph; listen)
OFFSET

3,3
CROSSREFS

Sequence in context: A026599 A061647 A077996 this_sequence A047085 A018044 A047045

Adjacent sequences: A029849 A029850 A029851 this_sequence A029853 A029854 A029855

KEYWORD

nonn

AUTHOR

Christian Bower (bowerc(AT)usa.net)

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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