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A111904
Number of unitary amicable pairs in which the smallest member has n digits.
2
0, 0, 1, 1, 5, 12, 59, 107, 269, 641, 1457, 3553
OFFSET
1,5
LINKS
J. O. M. Pedersen, Known Unitary Amicable Pairs
J. O. M. Pedersen, Tables of Aliquot Cycles [Broken link]
J. O. M. Pedersen, Tables of Aliquot Cycles [Via Internet Archive Wayback-Machine]
J. O. M. Pedersen, Tables of Aliquot Cycles [Cached copy, pdf file only]
CROSSREFS
Sequence in context: A131549 A342549 A346746 * A015784 A302182 A363452
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Nov 24 2005
EXTENSIONS
The next term, a(13), is at least 6664.
STATUS
approved