**Numbers n such that n and n+1 have same sum of divisors.**

*14, 206, 957, 1334, 1364, 1634, 2685, 2974, 4364, 14841, 18873, 19358, 20145*

*5 seqfan posts*

*Wed Oct 6 08:40:02 CEST 2010* [seqfan] A175874: more terms?

*Tue Jan 5 22:08:05 CET 2010* [seqfan] Re: A002961: sigma(n)=sigma(n+1).

*Tue Jan 5 22:39:15 CET 2010* [seqfan] Re: A002961: sigma(n)=sigma(n+1).

*Tue Jan 5 21:22:48 CET 2010* [seqfan] Re: A002961: sigma(n)=sigma(n+1).

*Tue Jan 5 20:02:19 CET 2010* [seqfan] A002961: sigma(n)=sigma(n+1).

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

Links to OEIS content are included according to
The OEIS End-User License Agreement
.