cp's OEIS Frontend

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.

A077637 Largest term in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.

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%I A077637 #20 Sep 24 2021 10:18:45
%S A077637 0,2,4,6,14,40,56,100,332,1200,1696,7000,30514,146344,327236,566792,
%T A077637 3052270,16994324,24033604,146190716,936077324,6138269514,42081855636,
%U A077637 111338124722,810553782854,6225981742592,48626471887292,68768216033362,562892107725410,4743013205833238
%N A077637 Largest term in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.
%H A077637 Chai Wah Wu, <a href="/A077637/b077637.txt">Table of n, a(n) for n = 1..37</a>
%e A077637 For A051451(10) = 360360, the periodic part is {3,2,1,132,1,2,3,1200} with 1200 as largest term, so a(10) = 1200.
%t A077637 t={A051451(n)} Table[Max[Last[ContinuedFraction[Sqrt[Part[t, u]]]]], {u, 1, 24}]
%Y A077637 Cf. A000961, A051451, A077636.
%K A077637 nonn
%O A077637 1,2
%A A077637 _Labos Elemer_, Nov 13 2002
%E A077637 a(25)-a(28) from _Ray Chandler_, Jan 16 2009
%E A077637 a(1) corrected and a(29)-a(30) added by _Chai Wah Wu_, Sep 20 2021