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A080229 Number of terms in the continued fraction for x, where x is the Golden ratio (phi=(1+sqrt(5))/2) truncated to n decimal digits. 1
1, 4, 8, 12, 12, 20, 18, 25, 29, 31, 34, 36, 39, 38, 44, 53, 51, 59, 60, 64, 64, 77, 71, 84, 81, 81, 89, 88, 92, 90, 93, 96, 110, 110, 114, 113, 122, 124, 123, 123, 140, 140, 139, 145, 155, 150, 165, 165, 159, 169, 170, 161, 173, 172, 194, 182, 187, 192, 190, 196 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..59.

EXAMPLE

Golden ratio truncated to 3 decimal places gives 1.618. The continued fraction for 1.618 is [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5] which contains 12 terms, hence a(3)=12.

CROSSREFS

Cf. A065019.

Sequence in context: A060830 A080458 A147646 * A284510 A167523 A261811

Adjacent sequences:  A080226 A080227 A080228 * A080230 A080231 A080232

KEYWORD

base,nonn

AUTHOR

Benoit Cloitre, Mar 17 2003

STATUS

approved

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Last modified June 22 16:01 EDT 2021. Contains 345386 sequences. (Running on oeis4.)