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 A337493 #11 Oct 01 2022 01:08:05 %S A337493 3,4,3,7,7,4,6,7,7,0,7,8,4,9,3,9,2,5,2,6,0,7,8,8,9,2,8,8,8,4,6,3,1,0, %T A337493 2,1,9,9,4,4,3,2,8,3,4,7,9,9,3,8,5,9,2,9,2,9,4,9,6,1,4,6,3,1,6,7,2,1, %U A337493 7,0,8,2,8,8,9,9,2,9,3,1,5,7,9,4,6,4,5,8,1,3,9,7,5,1,0,6,6,6,5,6,6,5 %N A337493 Decimal expansion of 10800/Pi, number of minutes of arc in a radian. %C A337493 Corresponds to a significant mark labeled with a (typographic) prime symbol on slide rule calculating devices in the 20th century. The Pickworth reference explains its use for sines and tangents of small angles. %D A337493 C. N. Pickworth, The Slide Rule, 24th Ed., Pitman, London, 1945, pp. 76-78, Trigonometrical Applications. %H A337493 Peter Munn, <a href="/A337092/a337092.jpg">Aristo 89 Slide Rule</a> %H A337493 Wikipedia, <a href="http://en.wikipedia.org/wiki/Minute_and_second_of_arc">Minute of arc</a> %H A337493 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A337493 Equals 60 * A072097. %e A337493 3437.7467707849392526078892888463102199443283479938592929496... %t A337493 RealDigits[10800/Pi, 10, 100][[1]] (* _Amiram Eldar_, Sep 18 2020 *) %Y A337493 Cf. A072097, A217572. %K A337493 nonn,cons %O A337493 4,1 %A A337493 _Peter Munn_, Aug 29 2020