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A161488 Decimal expansion of (209+60*sqrt(2))/191. 4
1, 5, 3, 8, 4, 9, 6, 4, 0, 7, 0, 2, 8, 1, 9, 7, 3, 9, 7, 5, 2, 9, 3, 2, 6, 3, 0, 0, 7, 9, 8, 8, 5, 8, 0, 3, 5, 1, 5, 2, 7, 7, 6, 5, 0, 5, 3, 5, 4, 0, 1, 5, 1, 0, 1, 5, 2, 1, 4, 7, 0, 0, 7, 4, 7, 6, 1, 4, 8, 6, 6, 4, 2, 4, 4, 8, 8, 2, 9, 4, 3, 6, 2, 8, 8, 0, 7, 9, 8, 5, 3, 7, 1, 5, 4, 8, 9, 4, 9, 9, 2, 8, 8, 4, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

lim_{n -> infinity} b(n)/b(n-1) = (209+60*sqrt(2))/191 for n mod 3 = {1, 2}, b = A161486.

lim_{n -> infinity} b(n)/b(n-1) = (209+60*sqrt(2))/191 for n mod 3 = {0, 2}, b = A161487.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

FORMULA

Equals (20+3*sqrt(2))/(20-3*sqrt(2)).

EXAMPLE

(209+60*sqrt(2))/191 = 1.53849640702819739752...

MATHEMATICA

RealDigits[(209+60*Sqrt[2])/191, 10, 100][[1]] (* G. C. Greubel, Apr 06 2018 *)

PROG

(PARI) (209+60*sqrt(2))/191 \\ G. C. Greubel, Apr 06 2018

(MAGMA)  (209 + 60*Sqrt(2))/191; // G. C. Greubel, Apr 06 2018

CROSSREFS

Cf. A161486, A161487, A002193 (decimal expansion of sqrt(2)), A161489 (decimal expansion of (52323+26522*sqrt(2))/191^2).

Sequence in context: A021654 A021069 A237192 * A010484 A174930 A179452

Adjacent sequences:  A161485 A161486 A161487 * A161489 A161490 A161491

KEYWORD

cons,nonn

AUTHOR

Klaus Brockhaus, Jun 13 2009

STATUS

approved

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Last modified June 19 16:32 EDT 2021. Contains 345144 sequences. (Running on oeis4.)