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A256289
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Apply the transformation 0 -> 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 0 to the digits of n written in base 9; do not convert back to base 10.
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8
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1, 2, 3, 4, 5, 6, 7, 8, 0, 21, 22, 23, 24, 25, 26, 27, 28, 20, 31, 32, 33, 34, 35, 36, 37, 38, 30, 41, 42, 43, 44, 45, 46, 47, 48, 40, 51, 52, 53, 54, 55, 56, 57, 58, 50, 61, 62, 63, 64, 65, 66, 67, 68, 60, 71, 72, 73, 74, 75, 76
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Base 9 variant of A256078 (base 2) and A048379 (base 10). See A256303 - A256308 for bases 3 through 8, and A256299 for the variant where the result is converted back to base 10.
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LINKS
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EXAMPLE
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a(9) = 21 because 9 = "10" in base 9 becomes "21".
a(80) = 0 because 80 = "88" in base 9 becomes "00".
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PROG
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(PARI) A256289(n, b=9)=!n+eval(Strchr(apply(d->(d+1)%b+48, digits(n, b))))
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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