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 A002818 M3162 N1280 #14 Sep 29 2023 22:10:21 %S A002818 1,3,55,8103,8886111,72004899337,4311231547115195, %T A002818 1907346572495099690525,6235149080811616882909238709, %U A002818 150609731458503054835259413016767498,26881171418161354484126255515800135873611119,35451311827611664751894074212478186938177865767023505 %N A002818 Nearest integer to exp n^2. %D A002818 Federal Works Agency, Work Projects Administration for the City of NY, Tables of the Exponential Function. National Bureau of Standards, Washington, DC, 1939. %D A002818 A. Fletcher, J. C. P. Miller, L. Rosenhead and L. J. Comrie, An Index of Mathematical Tables. Vols. 1 and 2, 2nd ed., Blackwell, Oxford and Addison-Wesley, Reading, MA, 1962, Vol. 1, p. 230. %D A002818 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002818 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %t A002818 Round[Exp[Range[0,20]^2]] (* _Harvey P. Dale_, Oct 12 2015 *) %K A002818 nonn %O A002818 0,2 %A A002818 _N. J. A. Sloane_ %E A002818 More terms from _Harvey P. Dale_, Oct 12 2015