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 A004575 #22 Jul 06 2025 22:26:57 %S A004575 2,5,1,2,4,7,7,6,5,1,6,4,5,7,4,3,5,1,5,5,7,0,7,1,6,5,1,7,6,3,0,3,7,6, %T A004575 0,6,7,5,0,4,0,6,5,2,4,5,1,6,7,7,7,4,7,5,5,7,0,2,0,2,5,6,7,7,4,4,3,4, %U A004575 3,2,2,4,6,7,7,5,0,7,0,5,5,7,6,2,2,5,1,1,6,2,6,6,4,0,2,1,4,4,7,1,1,3 %N A004575 Expansion of sqrt(7) in base 8. %H A004575 G. C. Greubel, <a href="/A004575/b004575.txt">Table of n, a(n) for n = 1..10000</a> %H A004575 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004575 RealDigits[Sqrt[7],8,120][[1]] (* _Harvey P. Dale_, Jan 04 2018 *) %o A004575 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(7*8^204),8))); // _Jason Kimberley_, Feb 19 2012 %Y A004575 Cf. A010465. %K A004575 nonn,base,cons,easy %O A004575 1,1 %A A004575 _N. J. A. Sloane_ %E A004575 More terms from _Jason Kimberley_, Feb 27 2012