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 A084304 #17 Mar 09 2025 05:12:01 %S A084304 0,1,186895766,8,1,11,2,3,5,8,2,2,1,19,2,23,3,1,3,1,4,2,1,1,1,2,2,25, %T A084304 1,19,1,1,1,6,6,2,11,1,5,2,11,1,3,1,2,1,5,1,2,7,15,4,1,7,24,1,1,1,18, %U A084304 2,2,25,6,4,1,1,1,2,1,2,2,2,40,1,3,3,2,2,2,16,1,361,1,2,1,4,1,13,1,5,2,1,5 %N A084304 Continued fraction expansion of tanh(Pi^2). %C A084304 The least term that is larger than a(2) is a(6427449) = 890522226. - _Amiram Eldar_, Mar 08 2025 %H A084304 Amiram Eldar, <a href="/A084304/b084304.txt">Table of n, a(n) for n = 0..10000</a> %p A084304 with(numtheory): c := cfrac (tanh(Pi^2), 300, 'quotients'); %t A084304 ContinuedFraction[Tanh[Pi^2],120] (* _Harvey P. Dale_, Nov 10 2021 *) %o A084304 (PARI) contfrac(tanh(Pi^2)) \\ _Michel Marcus_, Apr 05 2015 %Y A084304 Cf. A060402, A083124. %K A084304 cofr,easy,nonn %O A084304 0,3 %A A084304 _Labos Elemer_, Jun 04 2003