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 A106380 #11 Aug 16 2025 09:34:43 %S A106380 2,1,2,1,4,6,13,17,23,20,27,28,36,51,55,51,49,47,123,9,96 %N A106380 Imaginary parts of numbers defined in A106379. %H A106380 Sven Simon, <a href="/A106379/a106379_1.txt">Readable list for A106379/A106380</a>. %Y A106380 Cf. A106379. %K A106380 nonn,more %O A106380 1,1 %A A106380 _Sven Simon_, Apr 30 2005 %E A106380 Offset corrected and a(16)-a(21) added by _Amiram Eldar_, Aug 16 2025