A197111 Continued fraction for cube root of Pi and its inverse.

0, 1, 2, 6, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 2, 7, 1, 5, 5, 53, 3, 29, 3, 2, 6, 1, 1, 2, 1, 4, 8, 3, 2, 2, 1, 13, 1, 3, 1, 2, 1, 1, 1, 1, 2, 11, 4, 1, 37, 1, 142, 2, 1, 1, 8, 1, 19, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 3, 24, 1, 1, 1, 7, 1, 55, 9, 1, 1, 1, 224, 2

Offset: 0

Author

Michael Lee, Oct 10 2011

Keywords

• nonn
• cofr

Comments

Starting with a(0) this is the cont.frac. of Pi^(-1/3), and starting with a(1) the cont.frac. of Pi^(1/3). - M. F. Hasler, Oct 07 2014

Examples

			Pi^(1/3) = 1.4645918875615232630201425272637903917385968556279371743572...
		

Crossrefs

Cf. A092039, A093204.

Programs

Mathematica

ContinuedFraction[Pi^(1/3)]

PARI

contfrac(Pi^(-1/3)) \\ M. F. Hasler, Oct 07 2014