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A110812 Fractalisation of sqrt 2. 2
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; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Table of n, a(n) for n=1..62.

C. Kimberling, Fractal sequences.

FORMULA

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

CROSSREFS

Cf. A003602.

Sequence in context: A326039 A183374 A176263 * A151904 A222360 A222371

Adjacent sequences:  A110809 A110810 A110811 * A110813 A110814 A110815

KEYWORD

easy,nonn,base

AUTHOR

Alexandre Wajnberg, Sep 15 2005

STATUS

approved

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Last modified June 19 11:14 EDT 2019. Contains 324219 sequences. (Running on oeis4.)