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 A195777 #8 Nov 20 2024 23:41:55 %S A195777 1,4,2,8,8,9,9,2,7,2,1,9,0,7,3,2,6,9,6,4,1,8,4,7,0,0,7,4,5,3,7,1,9,8, %T A195777 3,5,9,0,9,0,8,0,2,9,4,0,9,5,9,0,8,8,8,3,8,1,0,9,3,4,2,2,6,6,7,9,0,4, %U A195777 6,6,5,7,6,3,8,3,1,7,3,3,3,8,3,6,9,8,2,5,5,5,1,0,3,6,8,1,2,0,1,5 %N A195777 Decimal expansion of arctan(7). %H A195777 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A195777 arctan(7)=1.4288992721907326964184700745371983590908029409... %t A195777 r = 7; %t A195777 N[ArcTan[r], 100] %t A195777 RealDigits[%] (* A195777 *) %t A195777 N[ArcCot[r], 100] %t A195777 RealDigits[%] (* A105533 *) %t A195777 N[ArcSec[r], 100] %t A195777 RealDigits[%] (* A195779 *) %t A195777 N[ArcCsc[r], 100] %t A195777 RealDigits[%] (* A195780 *) %o A195777 (PARI) atan(7) \\ _Charles R Greathouse IV_, Nov 20 2024 %Y A195777 Cf. A105533, A195779, A195780. %K A195777 nonn,cons %O A195777 1,2 %A A195777 _Clark Kimberling_, Sep 24 2011