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 A100562 #7 May 13 2015 11:51:07 %S A100562 7,8,9,10,11,12,14,16,18,22,24,25,28,30,33,36,37,38,40,42,45,46,50,51, %T A100562 52,56,57,58,60,61,64,66,67,68,70,72,77,78,81,82,84,85,86,88,92,93,94, %U A100562 96,100,102,105,106,108,112,114,117,122,123,126,128,130,136 %N A100562 Write down the numbers from 7 to infinity. Take next number, M say, that has not been crossed off and cross off all the numbers i*M - 1 for i >= 2. Repeat. The numbers that are left form the sequence. %H A100562 Popular Computing (Calabasas, CA), <a href="/A003309/a003309.pdf">Sieves: Problem 43</a>, Vol. 2 (No. 13, Apr 1974), pp. 6-7. This is Sieve #4. [Annotated and scanned copy] %H A100562 <a href="/index/Si#sieve">Index entries for sequences generated by sieves</a> %Y A100562 Cf. A003309, A003310, A100464. %K A100562 nonn %O A100562 1,1 %A A100562 _N. J. A. Sloane_, Nov 23 2004