A253214 Decimal expansion of log(640320^3)/sqrt(163), a Ramanujan constant producing 16 correct digits of Pi.

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

Offset

1,1

Links

Table of n, a(n) for n=1..104.

Jonathan M. Borwein, Aesthetics for the Working Mathematician

Eric Weisstein's MathWorld, Ramanujan Constant

Index entries for transcendental numbers

Example

3.141592653589793|0164958886531967237464..., where | shows the position from where the digits differ.

Mathematica

RealDigits[Log[640320^3]/Sqrt[163], 10, 104] // First

Prog

(PARI) log(640320^3)/sqrt(163) \\ Charles R Greathouse IV, Apr 20 2016

Crossrefs

Cf. A000796, A060295.

Sequence in context: A087478 A328927 A247385 * A112602 A000796 A212131

Adjacent sequences: A253211 A253212 A253213 * A253215 A253216 A253217

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Dec 29 2014

Status

approved