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 A286898 #52 Mar 22 2020 04:04:32 %S A286898 81,87,69,82,84,89,85,73,79,80,65,83,68,70,71,72,74,75,76,90,88,67,86, %T A286898 66,78,77 %N A286898 ASCII codes of letter keys by rows on standard U.S. "QWERTY" keyboard. %C A286898 ASCII: American Standard Code for Information Interchange. %F A286898 a(n) = A130764(A002252(n)). - _Andrey Zabolotskiy_, May 16 2017 %F A286898 a(n) = A002252(n) + 64. - _Omar E. Pol_, May 19 2017 %e A286898 --------------------------------------------------------------------------------- %e A286898 . Keyboard ASCII %e A286898 --------------------------------------------------------------------------------- %e A286898 First line: Q W E R T Y U I O P --> [81, 87, 69, 82, 84, 89, 85, 73, 79, 80]. %e A286898 Second line: A S D F G H J K L --> [65, 83, 68, 70, 71, 72, 74, 75, 76]. %e A286898 Third line: Z X C V B N M --> [90, 88, 67, 86, 66, 78, 77]. %o A286898 (Scala) "QWERTYUIOPASDFGHJKLZXCVBNM".toCharArray.map(_.toInt) // _Alonso del Arte_, Mar 21 2020 %Y A286898 Cf. A002252, A130764. %K A286898 nonn,easy,fini,full %O A286898 1,1 %A A286898 _Vaibhav Agrawal_, May 15 2017