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Search: id:A124345
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A124345 Number of mobiles (circular rooted trees) on n nodes with thinning limbs. +0
1
1, 1, 2, 3, 6, 10, 24, 47, 113, 258, 624, 1492, 3694, 9090, 22753, 57111, 144541, 367243, 938449, 2406720, 6198045, 16013447, 41507254, 107887092, 281170859, 734518306, 1923119062, 5045423169, 13262334340, 34923020733, 92113656841 (list; graph; listen)
OFFSET

1,3

COMMENT

A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children.

CROSSREFS

Cf. A032200, A124343-A124348.

Sequence in context: A122381 A141034 A152536 this_sequence A123256 A111275 A054357

Adjacent sequences: A124342 A124343 A124344 this_sequence A124346 A124347 A124348

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Oct 30 2006, suggested by Frank Adams-Watters (FrankTAW(AT)Netscape.net

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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