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A031251 Write n in base 5, then complement each digit (d -> 4-d) and juxtapose. 1
3, 2, 1, 0, 3, 4, 3, 3, 3, 2, 3, 1, 3, 0, 2, 4, 2, 3, 2, 2, 2, 1, 2, 0, 1, 4, 1, 3, 1, 2, 1, 1, 1, 0, 0, 4, 0, 3, 0, 2, 0, 1, 0, 0, 3, 4, 4, 3, 4, 3, 3, 4, 2, 3, 4, 1, 3, 4, 0, 3, 3, 4, 3, 3, 3, 3, 3, 2, 3, 3, 1, 3, 3, 0, 3, 2, 4, 3, 2, 3, 3, 2, 2, 3, 2, 1, 3, 2, 0, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

4 - Flatten[ IntegerDigits[ Range@50, 5]] (* Robert G. Wilson v, Jul 01 2014 *)

CROSSREFS

Sequence in context: A158459 A319666 A307333 * A194885 A128317 A344348

Adjacent sequences:  A031248 A031249 A031250 * A031252 A031253 A031254

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 28 01:29 EDT 2021. Contains 348305 sequences. (Running on oeis4.)