%I #7 May 29 2017 13:46:06
%S 0,0,1,1,5,12,59,107,269,641,1457,3553
%N Number of unitary amicable pairs in which the smallest member has n digits.
%H J. O. M. Pedersen, <a href="http://amicable.homepage.dk/knwnunap.htm">Known Unitary Amicable Pairs</a>
%H J. O. M. Pedersen, <a href="http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Broken link]
%H J. O. M. Pedersen, <a href="http://web.archive.org/web/20140502102524/http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Via Internet Archive Wayback-Machine]
%H J. O. M. Pedersen, <a href="/A063990/a063990.pdf">Tables of Aliquot Cycles</a> [Cached copy, pdf file only]
%Y Cf. A002952, A002953.
%K nonn,base
%O 1,5
%A _N. J. A. Sloane_, Nov 24 2005
%E The next term, a(13), is at least 6664.