A370562 - OEIS

A370562

Decimal expansion of (2*Pi - 3*sqrt(3))/2.

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

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OFFSET

0,1

COMMENTS

This constant is the difference of the area of a disk with radius 1 (length unit) and the inscribed regular hexagon.

LINKS

Table of n, a(n) for n=0..81.

FORMULA

Equals (A019692 - A010482)/2.

Equals Pi - 3*sqrt(3)/2 = A000796 - A104956.

EXAMPLE

0.5435164422364772981714738710206943337829615186595348788912...

MATHEMATICA

RealDigits[Pi - 3*Sqrt[3]/2, 10, 120][[1]] (* Amiram Eldar, Mar 15 2024 *)

CROSSREFS

Cf. A000796, A019692, A010482, A104956, A248897.

Sequence in context: A061836 A021188 A334337 * A205449 A164360 A183164

Adjacent sequences: A370559 A370560 A370561 * A370563 A370564 A370565

KEYWORD

nonn,cons,easy

AUTHOR

Wolfdieter Lang, Mar 15 2024

STATUS

approved