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A094099 Number of divisor chains of length 2n+1 which are both cyclic and anchored. 4
1, 1, 1, 1, 4, 2, 4, 47, 6, 6, 462, 372, 1589, 20896 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,5
COMMENTS
A divisor chain of length n is an arrangement of 1..n such that each term is a divisor of the sum of the preceding terms.
LINKS
CROSSREFS
Sequence in context: A248251 A139809 A348640 * A107046 A267184 A275927
KEYWORD
nonn,more
AUTHOR
Christopher Landauer, May 04, 2004.
STATUS
approved

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Last modified March 29 09:32 EDT 2024. Contains 371268 sequences. (Running on oeis4.)