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A031098 Write n in base 9, then complement each digit (d -> 8-d) and juxtapose. 1
7, 6, 5, 4, 3, 2, 1, 0, 7, 8, 7, 7, 7, 6, 7, 5, 7, 4, 7, 3, 7, 2, 7, 1, 7, 0, 6, 8, 6, 7, 6, 6, 6, 5, 6, 4, 6, 3, 6, 2, 6, 1, 6, 0, 5, 8, 5, 7, 5, 6, 5, 5, 5, 4, 5, 3, 5, 2, 5, 1, 5, 0, 4, 8, 4, 7, 4, 6, 4, 5, 4, 4, 4, 3, 4, 2, 4, 1, 4, 0, 3, 8, 3, 7, 3, 6, 3, 5, 3, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
8 - Flatten[ IntegerDigits[ Range@50, 9]] (* Robert G. Wilson v, Jul 01 2014 *)
CROSSREFS
Sequence in context: A022963 A023449 A307338 * A004448 A284807 A309909
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)