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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
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.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Christopher Landauer, May 04, 2004.
STATUS
approved