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 A004591 #25 Jul 06 2025 22:26:11 %S A004591 3,1,2,3,0,5,4,0,7,2,6,6,4,5,5,5,2,2,4,4,4,0,2,2,4,2,5,7,1,0,1,4,1,4, %T A004591 6,6,3,3,7,7,5,2,2,5,3,2,3,4,0,5,2,7,2,7,6,0,6,0,0,0,1,6,1,2,7,2,5,7, %U A004591 7,2,4,1,0,2,2,6,1,3,4,4,7,0,5,2,0,0,3,3,2,1,1,7,1,5,7,2,1,2,3,5,1,5 %N A004591 Expansion of sqrt(10) in base 8. %H A004591 G. C. Greubel, <a href="/A004591/b004591.txt">Table of n, a(n) for n = 1..10000</a> %H A004591 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004591 RealDigits[Sqrt[10],8,120][[1]] (* _Harvey P. Dale_, Feb 04 2012 *) %o A004591 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(10*8^200),8))); // _Jason Kimberley_, Feb 19 2012 %Y A004591 Cf. A010467. %K A004591 nonn,base,cons,easy %O A004591 1,1 %A A004591 _N. J. A. Sloane_ %E A004591 More terms from _Jason Kimberley_, Feb 27 2012