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A254082 Number of primitive (=aperiodic) n-bead necklaces with colored beads of exactly 10 different colors. 2
362880, 18144000, 515592000, 10977120000, 195113318400, 3063348288000, 43943631732000, 588790762560000, 7481812222684800, 91158709273632000, 1073686615986821760, 12301136459932320000, 137753173599205449600, 1513588462073525376000, 16368017165881385004000 (list; graph; refs; listen; history; text; internal format)
OFFSET
10,1
LINKS
MAPLE
with(numtheory):
b:= proc(n, k) option remember; `if`(n=0, 1,
add(mobius(n/d)*k^d, d=divisors(n))/n)
end:
a:= n-> add(b(n, 10-j)*binomial(10, j)*(-1)^j, j=0..10):
seq(a(n), n=10..30);
CROSSREFS
Column k=10 of A254040.
Sequence in context: A029577 A179967 A133360 * A228912 A213871 A179064
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jan 25 2015
STATUS
approved

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Last modified April 19 10:30 EDT 2024. Contains 371785 sequences. (Running on oeis4.)