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A156571 Decimal expansion of (27 + 10*sqrt(2))/23. 5
1, 7, 8, 8, 7, 8, 8, 5, 0, 5, 3, 7, 9, 6, 0, 6, 5, 4, 2, 9, 5, 7, 2, 5, 5, 9, 6, 7, 0, 4, 7, 6, 9, 4, 8, 1, 6, 7, 6, 9, 4, 2, 2, 5, 5, 4, 5, 1, 1, 7, 1, 6, 5, 5, 3, 5, 5, 5, 0, 7, 8, 1, 4, 6, 9, 5, 2, 4, 9, 2, 3, 8, 1, 9, 4, 0, 0, 4, 6, 5, 3, 8, 6, 3, 0, 6, 0, 3, 2, 7, 5, 7, 9, 4, 6, 2, 6, 7, 7, 0, 7, 5, 4, 3, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Lim_{n -> infinity} a(n)/a(n-1) = (27+10*sqrt(2))/23 for n mod 3 = {1, 2}, b = A118337, A156567.

Lim_{n -> infinity} a(n)/a(n-1) = (3+2*sqrt(2))/((27+10*sqrt(2))/23)^2 for n mod 3 = 0, b = A118337, A156567.

LINKS

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

EXAMPLE

(27 + 10*sqrt(2))/23 = 1.78878850537960654295...

MATHEMATICA

RealDigits[(27 + 10*Sqrt[2])/23, 10, 100][[1]] (* G. C. Greubel, Jan 28 2018 *)

PROG

(PARI) (27+10*sqrt(2))/23 \\ G. C. Greubel, Jan 27 2018

(MAGMA) (27+10*Sqrt(2))/23 // G. C. Greubel, Jan 27 2018

CROSSREFS

Cf. A002193 (decimal expansion of sqrt(2)), A156035 (decimal expansion of 3+2*sqrt(2)), A156164 (decimal expansion of 17+12*sqrt(2)).

Sequence in context: A256781 A248224 A092290 * A099987 A226320 A021563

Adjacent sequences:  A156568 A156569 A156570 * A156572 A156573 A156574

KEYWORD

cons,nonn

AUTHOR

Klaus Brockhaus, Feb 10 2009

STATUS

approved

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Last modified August 3 14:40 EDT 2021. Contains 346438 sequences. (Running on oeis4.)