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 A212609 #6 Sep 28 2014 09:10:47 %S A212609 819,6975,9009,13923,15561,18837,23751,25389,30303,33579,35217,38493, %T A212609 40131,43407,48321,49959,54873,58149,59787,64701,67977,72891,79443, %U A212609 82719,84357,87633,89271,90675,92547,99099,104013,107289,112203,113841,118575,122031 %N A212609 The larger companion to the deficient numbers in A212608. %C A212609 These numbers are in order; their companions are not. %C A212609 This is a subsequence of A095301. - _Michel Marcus_, Sep 28 2014 %Y A212609 Cf. A095301, A212608. %K A212609 nonn %O A212609 1,1 %A A212609 _T. D. Noe_, May 23 2012