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 A381473 #7 Mar 10 2025 19:55:54 %S A381473 1,1,6,5,5,6,1,1,8,5,2,0,7,2,1,1,3,0,6,8,3,3,9,1,7,9,7,7,9,5,8,5,6,0, %T A381473 6,6,9,1,3,4,5,3,8,8,4,7,6,9,3,0,5,7,2,8,7,5,5,4,8,6,8,6,4,6,6,9,6,6, %U A381473 1,5,4,0,8,7,1,6,3,5,8,3,3,6,9,2,1,0,7,7,1,2,8,5,5,2,1,9,6,5,0,7,0,4,3,7,2,9,6,7 %N A381473 Decimal expansion of the smallest positive solution to 2*x = tan(x). %F A381473 Equals A257451 / 2. %e A381473 1.1655611852072113068339179779585606691... %o A381473 (PARI) solve(x=1, 1.5, 2*x-tan(x)) %Y A381473 Cf. A257451. %K A381473 nonn,cons %O A381473 1,3 %A A381473 _Andrew Howroyd_, Mar 10 2025