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A030351 Write n in base 3, then complement each digit (d -> 2-d) and juxtapose. 1
1, 0, 1, 2, 1, 1, 1, 0, 0, 2, 0, 1, 0, 0, 1, 2, 2, 1, 2, 1, 1, 2, 0, 1, 1, 2, 1, 1, 1, 1, 1, 0, 1, 0, 2, 1, 0, 1, 1, 0, 0, 0, 2, 2, 0, 2, 1, 0, 2, 0, 0, 1, 2, 0, 1, 1, 0, 1, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 0, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..90.

MATHEMATICA

2 - Flatten[IntegerDigits[Range@35, 3]] (* Robert G. Wilson v, Jul 01 2014 *)

CROSSREFS

Sequence in context: A214979 A068462 A054973 * A257994 A188921 A072617

Adjacent sequences:  A030348 A030349 A030350 * A030352 A030353 A030354

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 20 03:36 EDT 2019. Contains 322294 sequences. (Running on oeis4.)