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 A028965 #25 Aug 03 2017 01:43:57 %S A028965 36721681,69514441,96375121,151676521,165370201,230678521,240103321, %T A028965 245370121,339063721,343388041,347425921,351676321,357081721, %U A028965 455460001,461586121,500865361,630955321,774378601,863747881,979521721,1019063041,1043567521,1075999921 %N A028965 Six consecutive integers with increasing values of sigma start at these numbers; i.e., sigma(x) < sigma(x+1) < ... < sigma(x+5). %C A028965 What is the first number to start a run of exactly 5 nondecreasing values of sigma? - _M. F. Hasler_, May 06 2017 %C A028965 The first run of exactly 5 nondecreasing values starts at 356067536821, see A285893. - _Giovanni Resta_, May 07 2017 %H A028965 Donovan Johnson, <a href="/A028965/b028965.txt">Table of n, a(n) for n = 1..1000</a> %e A028965 sigma(36721681) = 37085364 < sigma(36721682) = 55082526 < ... < sigma(36721686) = 76876128, so 36721681 is in the sequence. %Y A028965 Cf. A000203, A285893. %K A028965 nonn %O A028965 1,1 %A A028965 _Jud McCranie_, Jan 02 2000 %E A028965 Name corrected by _Harvey P. Dale_, Apr 19 2011