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A343199 Decimal expansion of 6+2*sqrt(3). 1
9, 4, 6, 4, 1, 0, 1, 6, 1, 5, 1, 3, 7, 7, 5, 4, 5, 8, 7, 0, 5, 4, 8, 9, 2, 6, 8, 3, 0, 1, 1, 7, 4, 4, 7, 3, 3, 8, 8, 5, 6, 1, 0, 5, 0, 7, 6, 2, 0, 7, 6, 1, 2, 5, 6, 1, 1, 1, 6, 1, 3, 9, 5, 8, 9, 0, 3, 8, 6, 6, 0, 3, 3, 8, 1, 7, 6, 0, 0, 0, 7, 4, 1, 6, 2, 2, 9, 2, 3, 7, 3, 5, 1, 4, 4, 9, 7, 1, 5, 1, 3, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Decimal expansion of the surface area of a cuboctahedron with unit edge length.

Essentially the same sequence of digits as A176394 and A010469. - R. J. Mathar, Jun 10 2021

LINKS

Table of n, a(n) for n=1..102.

Wikipedia, Cuboctahedron

EXAMPLE

9.4641016151377545870548926830117447338856...

PROG

(MAGMA) SetDefaultRealField(RealField(200)); 6+2*Sqrt(3);

CROSSREFS

Cf. A020775 (cuboctahedron volume).

Sequence in context: A197155 A153756 A322088 * A139720 A248177 A194826

Adjacent sequences:  A343196 A343197 A343198 * A343200 A343203 A343204

KEYWORD

cons,nonn,changed

AUTHOR

Wesley Ivan Hurt, May 07 2021

STATUS

approved

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Last modified June 15 00:00 EDT 2021. Contains 345041 sequences. (Running on oeis4.)