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 A167438 #31 Jan 24 2019 16:49:57 %S A167438 2372159,17999572487701067948161, %T A167438 437825148963391521638828389137484882137402791039, %U A167438 34168080993535113552180464917346868292958739991398355562578195440360113112814117057 %N A167438 Positive integers c such that c^2 = a + b and a^2 + b^2 = m^4 for some coprime positive integers a, b, m. %C A167438 Corresponding values of m are given in A166930. %C A167438 Subsequence of A167437 which does not restrict a, b to positive integers. %C A167438 Terms 5..8 found. - _Gerry Martens_, Jan 15 2019 %H A167438 Gerry Martens, <a href="/A167438/b167438.txt">Table of n, a(n) for n = 1..13</a> %Y A167438 Cf. A166929, A166930, A167437. %K A167438 nonn %O A167438 1,1 %A A167438 _Max Alekseyev_, Nov 03 2009