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 A297701 #22 Aug 21 2023 11:38:15 %S A297701 4,1,4,6,2,6,4,3,6,9,9,4,1,9,7,2,3,4,2,3,2,9,1,3,5,0,6,5,7,1,5,5,7,0, %T A297701 4,4,5,5,1,2,4,7,7,1,2,9,1,8,7,3,2,8,7,0,1,2,3,2,4,8,6,7,1,7,4,4,2,6, %U A297701 6,5,4,9,5,3,7,0,9,0,7,0,7,5,9,3,1,5,3,3,7,2,1,0,8,4,8,9,0,1,4,8,4,1,0,6,3,9,9,8,7,6,4,6,3,1,9,0,0,0,0,5 %N A297701 Decimal expansion of 1 + sqrt(2) + sqrt(3). %C A297701 This is an algebraic integer of degree 4, with minimal polynomial x^4 - 4*x^3 - 4*x^2 + 16*x - 8. %H A297701 G. C. Greubel, <a href="/A297701/b297701.txt">Table of n, a(n) for n = 1..10000</a> %H A297701 <a href="/index/Al#algebraic_04">Index entries for algebraic numbers, degree 4</a> %F A297701 1 + sqrt(2) + sqrt(3) = 1 + sqrt(5 + 2 sqrt(6)). %F A297701 1 + A002193 + A002194 = A014176 + A002194 = A165663 + A188582. - _Felix Fröhlich_, Jan 06 2018 %e A297701 1.0000000000000000000000000000... %e A297701 + 1.4142135623730950488016887242... %e A297701 + 1.7320508075688772935274463415... %e A297701 = 4.1462643699419723423291350657... %t A297701 RealDigits[1 + Sqrt[2] + Sqrt[3], 10, 100][[1]] %o A297701 (PARI) 1+sqrt(2)+sqrt(3) \\ _Felix Fröhlich_, Jan 06 2018 %o A297701 (Magma) SetDefaultRealField(RealField(100)); 1 + Sqrt(2) + Sqrt(3); // _G. C. Greubel_, Nov 20 2018 %o A297701 (Sage) numerical_approx(1+sqrt(2)+sqrt(3), digits=100) # _G. C. Greubel_, Nov 20 2018 %Y A297701 Essentially the same as A135611. Cf. A002193, A002194, A014176, A165663, A188582. %K A297701 nonn,cons,easy %O A297701 1,1 %A A297701 _Alonso del Arte_, Jan 03 2018 %E A297701 Terms a(52) onward corrected by _G. C. Greubel_, Nov 20 2018