A259617 Decimal expansion of J'_2(1), the first root of the derivative of the Bessel function J_2.

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

Offset: 1

Author

Jean-François Alcover, Jul 01 2015

Keywords

• nonn
• cons
• easy

Examples

			3.054236928227140322755932091148560897641496760529945919816437566658545...
		

Links

• Eric Weisstein's MathWorld, Bessel Function Zeros

Crossrefs

Cf. A115369 J'_0(1), A259616 J'_1(1), A259618 J'_3(1), A259619 J'_4(1), A259620 J'_5(1).

Programs

Mathematica

FindRoot[D[BesselJ[2, x], x] == 0, {x, 3}, WorkingPrecision -> 105] // Last // Last // RealDigits // First