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A257581 Continued square root map applied to the sequence (1,4,2,8,5,7) repeated (A020806). 2
1, 8, 7, 3, 4, 9, 5, 1, 0, 9, 3, 7, 1, 3, 1, 5, 4, 8, 7, 9, 1, 9, 3, 4, 7, 5, 3, 0, 9, 9, 3, 6, 4, 7, 5, 5, 3, 4, 3, 2, 1, 3, 1, 0, 3, 5, 6, 4, 4, 9, 7, 9, 3, 1, 4, 4, 0, 8, 6, 1, 5, 6, 4, 8, 0, 3, 0, 3, 4, 4, 7, 3, 5, 1, 1, 8, 9, 2, 4, 1, 2, 3, 9, 8, 3, 7, 6 (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), ... is defined to be the number sqrt(b(1)+sqrt(b(2)+sqrt(b(3)+sqrt(b(4)+...)))).

LINKS

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..400

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

1.8734951093713154879193475...

CROSSREFS

Cf. A020806.

Sequence in context: A201742 A019764 A073232 * A182499 A198561 A086253

Adjacent sequences:  A257578 A257579 A257580 * A257582 A257583 A257584

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 June 2 08:16 EDT 2020. Contains 334767 sequences. (Running on oeis4.)