A348607 Decimal expansion of BesselJ(1,2).

5, 7, 6, 7, 2, 4, 8, 0, 7, 7, 5, 6, 8, 7, 3, 3, 8, 7, 2, 0, 2, 4, 4, 8, 2, 4, 2, 2, 6, 9, 1, 3, 7, 0, 8, 6, 9, 2, 0, 3, 0, 2, 6, 8, 9, 7, 1, 9, 6, 7, 5, 4, 4, 0, 1, 2, 1, 1, 3, 9, 0, 2, 0, 7, 6, 4, 0, 8, 7, 1, 1, 6, 2, 8, 9, 6, 1, 2, 1, 8, 4, 9, 4, 8, 3, 9, 9

Offset

0,1

References

I. S. Gradshteyn and I. M. Rhyzhik, Tables of Integrals, Series and Products, Eq. 0.246.5

Links

Table of n, a(n) for n=0..86.

Formula

Equals Sum_{k>=0} (-1)^k/(k!*(k+1)!).

Example

0.5767248077568733872...

Maple

Digits := 100 ; BesselJ(1, 2) ; evalf(%) ; # R. J. Mathar, Mar 24 2026

Mathematica

RealDigits[BesselJ[1, 2], 10, 100][[1]] (* Amiram Eldar, Oct 25 2021 *)

Prog

(SageMath)
bessel_J(1, 2).n(digits=100)
(PARI) besselj(1, 2) \\ Michel Marcus, Oct 25 2021

Crossrefs

Cf. A010790, A054687, A058798, A058797, A133920, A245308, A296168, A301484, A318224.

Bessel function values: A334380 (J(0,1)), A091681 (J(0,2)), A334383 (J(0,sqrt(2))), this sequence (J(1,2)), A197036 (I(0,1)), A070910 (I(0,2)), A334381 (I(0,sqrt(2))), A096789 (I(1,2)).

Sequence in context: A258148 A193013 A220607 * A200097 A314371 A217678

Adjacent sequences: A348604 A348605 A348606 * A348608 A348609 A348610

Keyword

nonn,cons

Author

Dumitru Damian, Oct 25 2021

Status

approved