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 A328229 #19 Apr 04 2020 17:40:53 %S A328229 1,4,9,8,3,0,7,0,7,6,8,7,6,6,8,1,4,9,8,7,9,9,2,8,0,7,3,2,0,2,9,7,9,5, %T A328229 7,9,6,3,0,2,1,5,1,5,5,3,7,3,1,7,4,6,8,7,6,4,4,1,0,2,3,8,4,4,1,0,5,1, %U A328229 5,7,7,0,9,4,1,9,9,1,8,7,2,0,6,9,1,0,4,9,7,9,6,9,7,8,2,4,3,5,4,6,9 %N A328229 Decimal expansion of 2^(7/12). %C A328229 2^(7/12) is the multiplier with respect to a base frequency to produce a perfect fifth interval in an equal tempered chromatic scale. %H A328229 Wikipedia, <a href="https://en.wikipedia.org/wiki/Twelfth_root_of_two">Twelfth root of two</a> %H A328229 <a href="/index/Mu#music">Index entries for sequences based on music</a> %F A328229 Equals A010774^7. - _Michel Marcus_, Oct 08 2019 %e A328229 1.498307076876681498... %t A328229 First@ RealDigits[2^(7/12), 10, 105] (* _Michael De Vlieger_, Oct 25 2019 *) %o A328229 (PARI) sqrtn(2^7, 12) \\ _Michel Marcus_, Oct 08 2019 %Y A328229 Cf. A010774, A103922, A328228. %K A328229 nonn,cons %O A328229 1,2 %A A328229 _Daniel Hoyt_, Oct 08 2019 %E A328229 a(17) ff. corrected by _Georg Fischer_, Apr 04 2020