A179552 - OEIS

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A179552

Decimal expansion of the volume of pentagonal pyramid with edge length 1.

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

COMMENTS

Pentagonal pyramid: 6 faces, 6 vertices, and 10 edges.

LINKS

Table of n, a(n) for n=0..104.

Wolfram Alpha, Johnson solid 2

Index entries for algebraic numbers, degree 2

FORMULA

Digits of (5+sqrt(5))/24.

EXAMPLE