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 A379533 #18 Aug 03 2025 10:49:45 %S A379533 0,7,2,3,7,6,4,2,4,3,1,8,4,4,4,1,4,7,0,3,1,0,8,9,4,7,9,6,5,1,9,5,8,2, %T A379533 2,0,7,2,9,2,0,2,6,8,2,6,0,6,8,1,2,3,9,4,7,9,7,5,1,2,5,8,4,8,9,5,1,9, %U A379533 9,0,8,1,8,9,7,0,2,8,0,6,7,9,2,2,3,5,0,5,3,0,0,5,6,0,6,9,1,8,6,6,0 %N A379533 Decimal expansion of (sqrt(13) - 1)/36. %C A379533 Lower bound to the 8th Heilbronn triangle constant. %D A379533 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 8.16, p. 527. %H A379533 Francesc Comellas and J. Luis A. Yebra, <a href="https://doi.org/10.37236/1623">New lower bounds for Heilbronn numbers</a>, Elec. J. Combin. 9 (2002) R6. See pp. 4-5, 8. %F A379533 Minimal polynomial: 108*x^2 + 6*x - 1. - _Stefano Spezia_, Aug 03 2025 %e A379533 0.072376424318444147031089479651958220729202682606812... %t A379533 RealDigits[(Sqrt[13]-1)/36,10,100][[1]] %Y A379533 Cf. A010470, A248866, A343851, A379534. %K A379533 nonn,cons,easy %O A379533 0,2 %A A379533 _Stefano Spezia_, Dec 24 2024