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 A225155 #61 Sep 08 2022 08:46:04 %S A225155 5,7,7,3,5,0,4,9,7,2,5,8,4,8,5,4,5,8,5,5,0,1,1,4,8,9,2,3,7,6,8,7,0,6, %T A225155 1,3,9,2,3,1,2,7,6,3,0,4,2,7,2,7,5,8,0,1,6,0,9,7,0,3,3,9,6,8,1,4,5,0, %U A225155 3,8,3,9,4,8,3,7,8,8,2,5,4,4,0,4,0,2,1,9,9,6,0,6,4,3,1,3,2,2,8,7,9,6 %N A225155 Decimal expansion of Pi/(4*e) + e/(3*Pi). %C A225155 Approximates Euler Mascheroni constant giving 3 correct decimal places. %C A225155 The constant is not known to be transcendental, or even irrational. - _Balarka Sen_, May 06 2013 %H A225155 <a href="/A225155/b225155.txt">Table of n, a(n) for n = 0..1000</a> %e A225155 0.5773504972584854585501148923768706139231... %t A225155 RealDigits[(3*Pi^2 + 4*E^2)/(12*E*Pi), 10, 100][[1]] (* _G. C. Greubel_, Aug 30 2018 *) %o A225155 (PARI) default(realprecision, 1020); x=10*Pi/exp(1)/4+10*exp(1)/Pi/3; d=0; for (n=0, 1000, d=floor(x); x=(x-d)*10; print1(d", ")) \\ %o A225155 (Magma) R:= RealField(100); (3*Pi(R)^2 + 4*Exp(2))/(12*Pi(R)*Exp(1)); // _G. C. Greubel_, Aug 30 2018 %Y A225155 Cf. A000796, A001113, A061360, A086056, A001620, A225572 (continued fraction). %K A225155 nonn,cons,easy %O A225155 0,1 %A A225155 _Jimmy Zotos_, May 01 2013 %E A225155 More terms from _Balarka Sen_, May 02 2013