A270047 Decimal expansion of a constant related to the asymptotics of A137891.

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, 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, 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

Offset

2,1

Links

Table of n, a(n) for n=2..107.

Eric Weisstein's World of Mathematics, Graph Join

Eric Weisstein's World of Mathematics, Hamiltonian Path

Formula

Equals limit n->infinity A137891(n)/(n!)^2.

Equals 2*(BesselI(0,4) + BesselI(1,4)). - Vaclav Kotesovec, Mar 16 2024

Example

42.12277421168156081166292550105956679493717385537661002586804848984...

Mathematica

RealDigits[2*(BesselI[0, 4] + BesselI[1, 4]), 10, 120][[1]] (* Vaclav Kotesovec, Mar 16 2024 *)

Crossrefs

Cf. A137891.

Sequence in context: A046096 A080816 A016507 * A132116 A327252 A229974

Adjacent sequences: A270044 A270045 A270046 * A270048 A270049 A270050

Keyword

nonn,cons

Author

Vaclav Kotesovec, Mar 09 2016

Status

approved