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A236290 Decimal expansion of (sqrt(33) - 1) / 2. 0
2, 3, 7, 2, 2, 8, 1, 3, 2, 3, 2, 6, 9, 0, 1, 4, 3, 2, 9, 9, 2, 5, 3, 0, 5, 7, 3, 4, 1, 0, 9, 4, 6, 4, 6, 5, 9, 1, 1, 0, 1, 3, 2, 2, 2, 8, 9, 9, 1, 3, 9, 6, 1, 8, 3, 8, 4, 9, 9, 3, 8, 7, 3, 5, 2, 8, 2, 9, 5, 0, 3, 6, 0, 7, 2, 8, 7, 0, 2, 3, 1, 3, 5, 1, 3, 5, 6, 2, 6, 8, 2, 7, 9, 8, 3, 9, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Decimal expansion of sqrt(8 - sqrt(8 - sqrt(8 - sqrt(8 - ... )))).

The sequence with a(1) = 3 is decimal expansion of sqrt(8 + sqrt(8 + sqrt(8 + sqrt(8 + ... )))).

A quadratic integer with minimal polynomial x^2 + x - 8. - Charles R Greathouse IV, Apr 21 2016

LINKS

Table of n, a(n) for n=1..97.

FORMULA

A235162 - 1.

EXAMPLE

2.37228132326901432992530573410946465911013222899139618384993873528...

MATHEMATICA

RealDigits[(Sqrt[33] - 1)/2, 10, 130]

PROG

(PARI) (sqrt(33)-1)/2 \\ Charles R Greathouse IV, Apr 21 2016

CROSSREFS

Cf. A010488,  A235162.

Sequence in context: A011160 A068960 A205129 * A105273 A174925 A204986

Adjacent sequences:  A236287 A236288 A236289 * A236291 A236292 A236293

KEYWORD

nonn,cons

AUTHOR

Jaroslav Krizek, Feb 07 2014

STATUS

approved

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Last modified April 19 15:00 EDT 2021. Contains 343116 sequences. (Running on oeis4.)