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A032251 "DHK" (bracelet, identity, unlabeled) transform of 2,2,2,2... 0
2, 3, 6, 9, 18, 45, 118, 336, 954, 2695, 7590, 21321, 59890, 168273, 473966, 1337476, 3785154, 10738373, 30546502, 87099571, 248937978, 712995733, 2046236598, 5883318437, 16944709370, 48880145967, 141211579446 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

C. G. Bower, Transforms (2)

CROSSREFS

Sequence in context: A018582 A018619 A018638 * A018679 A018741 A161704

Adjacent sequences:  A032248 A032249 A032250 * A032252 A032253 A032254

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified February 24 17:22 EST 2018. Contains 299624 sequences. (Running on oeis4.)