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A257576 Continued square root map applied to powers of 2, 1,2,4,8,16,... 4
1, 7, 8, 3, 1, 6, 5, 8, 0, 9, 2, 6, 4, 0, 9, 8, 8, 8, 2, 7, 1, 0, 3, 0, 4, 9, 9, 2, 2, 5, 5, 0, 0, 3, 2, 8, 8, 5, 8, 3, 6, 7, 9, 5, 1, 1, 4, 9, 7, 3, 7, 5, 8, 8, 6, 4, 9, 0, 0, 5, 9, 0, 6, 0, 1, 8, 8, 1, 4, 2, 3, 4, 5, 7, 5, 5, 6, 4, 2, 3, 4, 1, 3, 4, 3, 9, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The continued square root map applied to a sequence b(1), b(2), b(3), ... produces the decimal number

sqrt(b(1)+sqrt(b(2)+sqrt(b(3)+sqrt(b(4)+...)))).

LINKS

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..1000

_Herman P. Robinson_, The CSR Function, Popular Computing (Calabasas, CA), Vol. 4 (No. 35, Feb 1976), pages PC35-3 to PC35-4. Annotated and scanned copy.

EXAMPLE

1.7831658092640988827103049...

CROSSREFS

Sequence in context: A266566 A309523 A153622 * A064207 A020843 A241296

Adjacent sequences:  A257573 A257574 A257575 * A257577 A257578 A257579

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, May 02 2015

EXTENSIONS

a(27)-a(87) from Hiroaki Yamanouchi, May 03 2015

STATUS

approved

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Last modified September 20 03:55 EDT 2019. Contains 327212 sequences. (Running on oeis4.)