# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a161017 Showing 1-1 of 1 %I A161017 #15 Jun 27 2023 03:20:21 %S A161017 1,2,5,6,5,5,1,3,6,5,7,5,1,3,0,9,6,7,7,9,2,6,7,8,2,1,8,6,2,9,7,7,4,0, %T A161017 0,0,7,5,8,6,6,5,7,6,3,8,9,2,2,2,5,5,4,2,6,6,8,8,6,6,6,1,3,9,2,7,2,5, %U A161017 5,7,0,3,4,8,0,9,2,8,8,7,1,4,7,5,8,4,1,6,6,4,9,0,8,1,9,4,9,4,5,2,1,4,4,7,6 %N A161017 Decimal expansion of tan(1/8). %C A161017 By the Lindemann-Weierstrass theorem, this constant is transcendental. - _Charles R Greathouse IV_, May 13 2019 %H A161017 Harry J. Smith, Table of n, a(n) for n = 0..20000 %H A161017 Index entries for transcendental numbers. %e A161017 0.125655136575130967792678218629774000758665763892225542668866613927255... %t A161017 RealDigits[Tan[1/8], 10, 120][[1]] (* _Amiram Eldar_, Jun 27 2023 *) %o A161017 (PARI) default(realprecision, 20080); x=10*tan(1/8); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b161017.txt", n, " ", d)); %Y A161017 Cf. A019431 (continued fraction). %K A161017 cons,nonn %O A161017 0,2 %A A161017 _Harry J. Smith_, Jun 14 2009 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE