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 A106318 #33 Apr 23 2021 12:14:51 %S A106318 2,128,1458,8192,31250,93312,235298,524288,1062882,2000000,3543122, %T A106318 5971968,9653618,15059072,22781250,33554432,48275138,68024448, %U A106318 94091762,128000000,171532242,226759808,296071778,382205952,488281250,617831552 %N A106318 Bhaskara twins: n such that 2*n^2 = X^3 and 2*n^3 = Y^2. %D A106318 S. S. Gupta, 'Bhaskara Pairs' in 'Science Today' (subsequently renamed '2001'), January 1988, pp. 68, Times of India, Mumbai. %H A106318 Reinhard Zumkeller, <a href="/A106318/b106318.txt">Table of n, a(n) for n = 1..10000</a> %H A106318 Richard J. Mathar, <a href="https://arxiv.org/abs/1703.01677">Construction of Bhaskara Pairs</a>, arXiv:1703.01677 [math.NT], 2017. %H A106318 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1). %F A106318 a(n) = 2*n^6 = 2*A001014(n). %F A106318 G.f.: 2*(1+x)*(1+56*x+246*x^2+56*x^3+x^4)/(1-x)^7. - _Colin Barker_, Apr 18 2012 %F A106318 a(n) = 7*a(n-1)-21*a(n-2)+35*a(n-3)-35*a(n-4)+21*a(n-5)-7*a(n-6)+a(n-7). - _Wesley Ivan Hurt_, Apr 23 2021 %t A106318 LinearRecurrence[{7,-21,35,-35,21,-7,1},{2,128,1458,8192,31250,93312,235298},30] (* _Harvey P. Dale_, May 11 2017 *) %o A106318 (PARI) a(n)=2*n^6 \\ _Charles R Greathouse IV_, Feb 09 2012 %o A106318 (Haskell) %o A106318 a106318 = (* 2) . (^ 6) -- _Reinhard Zumkeller_, May 27 2015 %Y A106318 Cf. A106319, A106320, A106321, A106322. %Y A106318 Cf. A001014. %K A106318 nice,nonn,easy %O A106318 1,1 %A A106318 _Lekraj Beedassy_, Apr 29 2005