cp's OEIS Frontend

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.

A298243 Decimal expansion of BesselI(1,2/5)/BesselI(0,2/5).

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%I A298243 #12 Feb 16 2025 08:33:53
%S A298243 1,9,6,1,0,3,8,1,2,2,1,7,9,9,5,5,1,3,4,0,8,3,6,1,0,6,4,6,2,6,8,7,8,5,
%T A298243 1,7,3,7,2,5,0,5,8,0,9,4,4,6,4,2,7,0,0,2,1,1,7,6,1,7,1,4,6,5,6,6,4,7,
%U A298243 2,0,7,2,4,6,8,6,9,5,0,7,4,4,7,5,7,5,2,4,7,4,2,7,1,4,1,2,4,4,5,3,3,2,1,3,0,7,2,0,4,4
%N A298243 Decimal expansion of BesselI(1,2/5)/BesselI(0,2/5).
%H A298243 G. C. Greubel, <a href="/A298243/b298243.txt">Table of n, a(n) for n = 0..10000</a>
%H A298243 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ContinuedFractionConstants.html">Continued Fraction Constants</a>
%H A298243 <a href="/index/Be#Bessel">Index entries for sequences related to Bessel functions or polynomials</a>
%F A298243 Equals 1/(5 + 1/(10 + 1/(15 + 1/(20 + 1/(25 + 1/(30 + ...)))))).
%e A298243 0.1961038122179955134083610646268785173725058094464270021...
%t A298243 RealDigits[BesselI[1, 2/5]/BesselI[0, 2/5], 10, 110] [[1]]
%t A298243 RealDigits[Hypergeometric0F1[2, (2/5)^2/4]/(5 Gamma[2] Hypergeometric0F1[1, (2/5)^2/4]), 10, 110][[1]]
%o A298243 (PARI) besseli(1,2/5)/besseli(0,2/5) \\ _Michel Marcus_, Jul 03 2018
%Y A298243 Cf. A008587, A052119, A073744, A073747, A073821, A296168, A298241, A298242.
%K A298243 nonn,cons
%O A298243 0,2
%A A298243 _Ilya Gutkovskiy_, Jan 15 2018