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 A367574 #47 Feb 28 2025 11:39:38
%S A367574 4,2,5,2,3,5,0,8,7,9,5,0,2,6,2,3,8,2,5,2,9,3,2,3,0,8,2,4,0,8,9,5,1,0,
%T A367574 3,0,2,1,0,7,6,8,6,0,9,8,2,2,7,0,6,7,5,3,6,4,4,7,4,3,2,1,9,9,9,6,9,3,
%U A367574 7,7,7,8,1,1,3,0,4,2,0,6,4,4,7,8,7,0,3,8,6,7,2,8,0,1,8,9,7,2,8,1
%N A367574 Decimal expansion of BesselI(0,2*sqrt(2)).
%F A367574 Equals Sum_{k>=0} 2^k / k!^2.
%F A367574 Equals Sum_{i>=0} (i+1)/Product_{j=1..i} A000217(j). - _Davide Rotondo_, Feb 25 2025
%e A367574 4.252350879502623825293230824089510302...
%t A367574 RealDigits[BesselI[0, 2 Sqrt[2]], 10, 100][[1]]
%Y A367574 Cf. A000217, A006472, A070910, A072334, A367709, A367710.
%K A367574 nonn,cons
%O A367574 1,1
%A A367574 _Ilya Gutkovskiy_, Nov 28 2023