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A032325 Number of ways to partition n labeled elements into pie slices forming an aperiodic pattern. 0
1, 1, 4, 17, 126, 832, 8646, 83281, 1035670, 13155686, 200866326, 3090454952, 55704133590, 1028017657682, 21123701763534, 453986750729681, 10610386574074710, 258237311112260158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..18.

C. G. Bower, Transforms (2)

Index entries for sequences related to Lyndon words

FORMULA

"CHJ" (necklace, identity, labeled) transform of 1, 1, 1, 1...

CROSSREFS

Sequence in context: A032115 A054927 A071138 * A032335 A208803 A156076

Adjacent sequences:  A032322 A032323 A032324 * A032326 A032327 A032328

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified February 23 21:23 EST 2018. Contains 299588 sequences. (Running on oeis4.)