A263498 - OEIS

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A263498

Decimal expansion of the Gaussian Hypergeometric Function 2F1(1, 3; 5/2; x) at x=1/4.

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

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OFFSET

1,2

COMMENTS

Division through 3 gives 0.472799.. = integral_{x=0..infinity} x^2*I_1(x)*K_1(x)^2 dx, where I and K are Modified Bessel Functions.

LINKS

Table of n, a(n) for n=1..96.

FORMULA

Equals 4*Pi/3^(3/2) - 1. - Vaclav Kotesovec, Apr 10 2016

EXAMPLE

1.41839915231229046745877101018954097637875499745698743409317991385...

MATHEMATICA