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A110812 Fractalisation of sqrt 2. +0
3
1, 1, 4, 1, 1, 4, 4, 1, 2, 1, 1, 4, 3, 4, 5, 1, 6, 2, 2, 1, 3, 1, 7, 4, 3, 3, 0, 4, 9, 5, 5, 1, 0, 6, 4, 2, 8, 2, 8, 1, 0, 3, 1, 1, 6, 7, 8, 4, 8, 3, 7, 3, 2, 0, 4, 4, 2, 9, 0, 5, 9, 5 (list; graph; listen)
OFFSET

1,3

COMMENT

Self-descriptive sequence: even terms are the sequence itself, odd terms are the digits of the decimal expansion of sqrt 2.

LINKS

C. Kimberling, Fractal sequences.

FORMULA

a(2n)=a(n); a(2n+1)=digits of sqrt 2.

CROSSREFS

Cf. A003602.

Sequence in context: A046596 A106314 A152716 this_sequence A151904 A091570 A116669

Adjacent sequences: A110809 A110810 A110811 this_sequence A110813 A110814 A110815

KEYWORD

easy,nonn,base

AUTHOR

Alexandre Wajnberg (alexandre.wajnberg(AT)skynet.be), Sep 15 2005

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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