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 A212950 #28 Mar 05 2020 03:13:54 %S A212950 1,5,10,25,83,100,200 %N A212950 Amounts (in cents) of Canadian coins in denominations suggested by Shallit. %H A212950 Alan Burdick, <a href="https://www.discovermagazine.com/the-sciences/the-physics-of-pocket-change">The Physics of ... Pocket Change</a>, Discover, October 2003 issue; published online October 1, 2003. %e A212950 1c, 5c, 10c, 25c, 100c (a dollar coin, popularly known as a "loonie," because it bears a picture of a loon), 200c (the "toonie"), and the optimal suggested new coin in the denomination 83c. %Y A212950 Cf. A212773, A212774, A008588, A008593, A008597, A008598, A135631. %Y A212950 Cf. A208953 (analog for American coins). %K A212950 nonn,fini,full %O A212950 1,2 %A A212950 _Jonathan Vos Post_, May 31 2012