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 A270047 #8 Feb 16 2025 08:33:30 %S A270047 4,2,1,2,2,7,7,4,2,1,1,6,8,1,5,6,0,8,1,1,6,6,2,9,2,5,5,0,1,0,5,9,5,6, %T A270047 6,7,9,4,9,3,7,1,7,3,8,5,5,3,7,6,6,1,0,0,2,5,8,6,8,0,4,8,4,8,9,8,4,0, %U A270047 4,6,8,8,2,3,3,7,7,0,1,4,3,1,3,9,7,2,4,8,7,6,5,0,3,4,0,8,8,2,4,9,5,0,1,1,2,7 %N A270047 Decimal expansion of a constant related to the asymptotics of A137891. %H A270047 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphJoin.html">Graph Join</a> %H A270047 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HamiltonianPath.html">Hamiltonian Path</a> %F A270047 Equals limit n->infinity A137891(n)/(n!)^2. %F A270047 Equals 2*(BesselI(0,4) + BesselI(1,4)). - _Vaclav Kotesovec_, Mar 16 2024 %e A270047 42.12277421168156081166292550105956679493717385537661002586804848984... %t A270047 RealDigits[2*(BesselI[0, 4] + BesselI[1, 4]), 10, 120][[1]] (* _Vaclav Kotesovec_, Mar 16 2024 *) %Y A270047 Cf. A137891. %K A270047 nonn,cons %O A270047 2,1 %A A270047 _Vaclav Kotesovec_, Mar 09 2016