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 A031016 Write n in base 7, then complement each digit (d -> 6-d) and juxtapose. 1
 5, 4, 3, 2, 1, 0, 5, 6, 5, 5, 5, 4, 5, 3, 5, 2, 5, 1, 5, 0, 4, 6, 4, 5, 4, 4, 4, 3, 4, 2, 4, 1, 4, 0, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 3, 1, 3, 0, 2, 6, 2, 5, 2, 4, 2, 3, 2, 2, 2, 1, 2, 0, 1, 6, 1, 5, 1, 4, 1, 3, 1, 2, 1, 1, 1, 0, 0, 6, 0, 5, 0, 4, 0, 3, 0, 2, 0, 1, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..90. MATHEMATICA 6-Flatten[ IntegerDigits[ Range@50, 7]] (* Robert G. Wilson v, Jul 01 2014 *) CROSSREFS Sequence in context: A023447 A280916 A307336 * A261302 A284803 A071691 Adjacent sequences: A031013 A031014 A031015 * A031017 A031018 A031019 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified February 28 17:13 EST 2024. Contains 370400 sequences. (Running on oeis4.)