**Amicable quadruples: the values of sigma corresponding to A036471-A036474.**

*13927680, 16248960, 19498752, 21228480, 24373440, 24998400, 27855360*

*5 seqfan posts*

*Thu Nov 27 17:13:00 CET 2008* [seqfan] Re: Sigma(x)=Sigma(y)=Sigma(z)=Sigma(u)=Sigma(v)=x+y+z+u+v

*Thu Nov 27 17:13:00 CET 2008* [seqfan] Re: Sigma(x)=Sigma(y)=Sigma(z)=Sigma(u)=Sigma(v)=x+y+z+u+v

*Thu Nov 27 14:37:25 CET 2008* [seqfan] Re: Sigma(x)=Sigma(y)=Sigma(z)=Sigma(u)=Sigma(v)=x+y+z+u+v

*Mon Nov 24 23:10:45 CET 2008* [seqfan] Re: Sigma(x)=Sigma(y)=Sigma(z)=Sigma(u)=Sigma(v)=x+y+z+u+v

*Sun Nov 23 17:58:35 CET 2008* [seqfan] Re: Sigma(x)=Sigma(y)=Sigma(z)=Sigma(u)=Sigma(v)=x+y+z+u+v

Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword

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