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 A082210 #10 Nov 24 2015 15:55:37
%S A082210 1,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,
%T A082210 8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,
%U A082210 31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248,71,4,8,7,31,248
%N A082210 Square root of the squares arising in A082209.
%C A082210 The squares are given in A090567. - _M. F. Hasler_, Nov 24 2015
%H A082210 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 1).
%F A082210 a(n) = {A082209(n) concatenated with A082209(n+1)}^(1/2).
%F A082210 Periodic with period 6 from n=2 onward. - Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 20 2003
%F A082210 a(n) = sqrt(A090567(n)) with A090567(n) = A082209(n) concat A243091(A082209(n)). - _M. F. Hasler_, Nov 24 2015
%e A082210 a(3) = 31 = 961^(1/2) where A082209(3) = 9 and A082209(4) = 61.
%t A082210 Join[{1},LinearRecurrence[{0, 0, 0, 0, 0, 1},{4, 8, 7, 31, 248, 71},77]] (* _Ray Chandler_, Aug 26 2015 *)
%o A082210 (PARI) A082210(n)=n<2||return([248,71,4,8,7,31][n%6+1]) \\ _M. F. Hasler_, Nov 24 2015
%Y A082210 Cf. A082209.
%K A082210 base,nonn
%O A082210 1,2
%A A082210 _Amarnath Murthy_, Apr 10 2003
%E A082210 Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 20 2003
%E A082210 Definition corrected and minor edits by _M. F. Hasler_, Nov 24 2015