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A143741
Aliquot sequence starting at 72.
1
72, 123, 45, 33, 15, 9, 4, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
0,1
FORMULA
a(n+1) = A001065(a(n)). - R. J. Mathar, Oct 11 2017
CROSSREFS
Sequence in context: A090784 A291805 A266345 * A227166 A250772 A345541
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 30 2008
STATUS
approved