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A204095
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Numbers whose base 10 digits are a subset of {0, 8}.
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11
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0, 8, 80, 88, 800, 808, 880, 888, 8000, 8008, 8080, 8088, 8800, 8808, 8880, 8888, 80000, 80008, 80080, 80088, 80800, 80808, 80880, 80888, 88000, 88008, 88080, 88088, 88800, 88808, 88880, 88888, 800000, 800008, 800080, 800088, 800800, 800808, 800880, 800888
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OFFSET
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0,2
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LINKS
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FORMULA
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MAPLE
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f:= proc(n) local L; L:= convert(n, base, 2); add(8*L[i]*10^(i-1), i=1..nops(L)) end proc:
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MATHEMATICA
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Table[8 FromDigits[IntegerDigits[n, 2]], {n, 0, 39}] (* Alonso del Arte, Jan 10 2012 *)
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PROG
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(Haskell)
a204095 n = a204095_list !! n
a204095_list = map (* 8) a007088_list
(PARI) a(n)=8*subst(Pol(binary(n)), x, 10);
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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