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 A033828 #14 Jul 18 2020 17:14:57 %S A033828 100,110,120,121,130,132,140,143,144,150,154,156,160,165,168,169,170, %T A033828 176,180,182,187,190,192,195,196,198,200,204,208,209,210,216,220,221, %U A033828 224,225,228,230,231,234,238,240,242,247,250,252,253,255,256,260,264,266 %N A033828 Numbers that can be expressed as the product of two 2-digit numbers in at least one way. %C A033828 Last term is 9801 = 99*99. %C A033828 There are 2,621 terms in the sequence, all of which are in the b-file. - _Harvey P. Dale_, Jun 14 2017 %H A033828 Harvey P. Dale, <a href="/A033828/b033828.txt">Table of n, a(n) for n = 1..2621</a> %t A033828 Times@@@Tuples[Range[10,99],2]//Union (* _Harvey P. Dale_, Jun 14 2017 *) %K A033828 nonn,fini,full %O A033828 1,1 %A A033828 _Jeff Burch_ %E A033828 More terms from _Harvey P. Dale_, Jun 14 2017