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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
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
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 A358943 A198561
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, May 02 2015
EXTENSIONS
a(27)-a(87) from Hiroaki Yamanouchi, May 03 2015
STATUS
approved