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A344077 Decimal expansion of 3 + 11*sqrt(3)/2. 1
1, 2, 5, 2, 6, 2, 7, 9, 4, 4, 1, 6, 2, 8, 8, 2, 5, 1, 1, 4, 4, 0, 0, 9, 5, 4, 8, 7, 8, 2, 8, 2, 2, 9, 8, 0, 1, 8, 1, 8, 5, 4, 2, 8, 8, 9, 5, 9, 5, 7, 0, 9, 3, 4, 5, 4, 3, 0, 6, 9, 3, 8, 3, 8, 6, 9, 8, 5, 6, 3, 1, 5, 9, 2, 9, 9, 8, 4, 0, 0, 2, 0, 3, 9, 4, 6, 3, 0, 4, 0, 2, 7, 1, 6, 4, 8, 6, 7, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,2

COMMENTS

Decimal expansion of the surface area of a gyroelongated triangular cupola with unit edge length whose faces are all regular.

LINKS

Table of n, a(n) for n=2..100.

Wikipedia, Gyroelongated triangular cupola

EXAMPLE

12.5262794416288251144...

MATHEMATICA

RealDigits[3 + 11 Sqrt[3]/2, 10, 200][[1]]

CROSSREFS

Cf. A344076 (gyroelongated triangular cupola volume).

Sequence in context: A195702 A309714 A309431 * A198539 A121311 A242403

Adjacent sequences:  A344074 A344075 A344076 * A344078 A344079 A344080

KEYWORD

cons,nonn

AUTHOR

Wesley Ivan Hurt, May 08 2021

STATUS

approved

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Last modified May 27 11:47 EDT 2022. Contains 354097 sequences. (Running on oeis4.)