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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
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
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 * A356869 A099987 A226320
KEYWORD
cons,nonn
AUTHOR
Klaus Brockhaus, Feb 10 2009
STATUS
approved