This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A180327 #3 Mar 30 2012 17:22:56 %S A180327 71,605,731,1391,796,1357,139,1151,827,4187,527,107,8873,2759,239, %T A180327 7697,19147,16873,11021,11303,25429,4601,91271,97481,30743,49949, %U A180327 28459,4961,32171,899,83711,85759,86407,89027,81583,195889,99587,8227,56339,122623 %N A180327 The non-common part of the larger number of an amicable pair. %C A180327 Very few duplicates occur: for the amicable numbers less than 10^14, a number appears at most twice. %H A180327 T. D. Noe, <a href="/A180327/b180327.txt">Table of n, a(n) for n=1..10000</a> %F A180327 a(n) = A002046(n) / gcd(A002025(n),A002046(n)) = A002046(n) / A061469(n). %Y A180327 Cf. A180326 (non-common part of the smaller number of an amicable pair) %K A180327 nonn %O A180327 1,1 %A A180327 _T. D. Noe_, Sep 07 2010