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