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A085550 Decimal expansion of (sqrt(13)-3)/2. 6
3, 0, 2, 7, 7, 5, 6, 3, 7, 7, 3, 1, 9, 9, 4, 6, 4, 6, 5, 5, 9, 6, 1, 0, 6, 3, 3, 7, 3, 5, 2, 4, 7, 9, 7, 3, 1, 2, 5, 6, 4, 8, 2, 8, 6, 9, 2, 2, 6, 2, 3, 1, 0, 6, 3, 5, 5, 2, 2, 6, 5, 2, 8, 1, 1, 3, 5, 8, 3, 4, 7, 4, 1, 4, 6, 5, 0, 5, 2, 2, 2, 6, 0, 2, 3, 0, 9, 5, 4, 1, 0, 0, 9, 2, 4, 5, 3, 5, 8, 8, 3, 6, 7, 5, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This constant equals Sum_{k>=1} (-1)^(k-1)/(A006190(k)*A006190(k+1)). - Vladimir Shevelev, Feb 23 2013

LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 0..10000

Cino Hilliard, + N = Reciprocal Recursion [broken link]

EXAMPLE

0.30277563773199464655961...

PROG

(PARI) (sqrt(13)-3)/2 \\ Michel Marcus, Jan 16 2020

CROSSREFS

Cf. A010470 (sqrt(13)).

Sequence in context: A282694 A011075 A248820 * A223139 A302278 A302728

Adjacent sequences:  A085547 A085548 A085549 * A085551 A085552 A085553

KEYWORD

easy,cons,nonn

AUTHOR

Cino Hilliard, Jul 04 2003

STATUS

approved

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Last modified June 6 17:33 EDT 2020. Contains 334831 sequences. (Running on oeis4.)