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 A203758 #9 May 05 2022 08:07:10 %S A203758 1,272,644274,6030757888,155988646422500,9053819556180074496, %T A203758 1028379757283945328201352,207457495477133009964712853504, %U A203758 69136938174280337191590509153453328,35984224552234991232580449063731200000000 %N A203758 Square root of v(2n+1)/(2*v(2n)), where v=A203755. %C A203758 See A203755. %t A203758 (See A203755.) %K A203758 nonn %O A203758 1,2 %A A203758 _Clark Kimberling_, Jan 05 2012 %E A203758 Definition corrected by _Georg Fischer_, May 04 2022