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 A119822 #8 Jan 25 2025 02:13:51
%S A119822 1,4,5,5,1,2,7,2,2,8,5,7,7,4,9,2,7,6,3,5,6,2,5,1,9,1,2,3,4,4,0,6,1,5,
%T A119822 3,2,4,9,1,8,9,8,7,1,2,6,8,6,0,8,2,4,2,6,2,2,2,7,7,1,4,7,6,8,4,4,2,0,
%U A119822 8,9,9,8,3,8,8,2,3,7,3,9,2,4,5,2,1,1,1,4,6,9,7,5,2,0,0,0,4,0,5,6,1,9,4,5,2
%N A119822 Decimal representation of continued fraction 1, 2, 5, 14, 42, ... (Catalan numbers).
%C A119822 It is the limit of continued fraction of Catalan numbers (1 + 1/(2 + 1/(5 + 1/(14 + 1/(42 + 1/(132 + 1/(429 + 1/(1430 + 1/(4862 + 1/(16796 + ...)))))))))).
%e A119822 1.45512722857749276356251912344061532491898712686082426222771476844208998388...
%t A119822 RealDigits[ Normal[ ContinuedFractionForm[ Table[(2k)!/k!/(k+1)!, {k,1,30} ]]], 10, 130] [[1]]
%Y A119822 Cf. A071897, A060997, A000108.
%K A119822 cons,nonn
%O A119822 1,2
%A A119822 _Alexander Adamchuk_, Jul 30 2006