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%I #22 Sep 08 2022 08:44:37
%S 8,18,28,38,48,58,68,78,80,81,82,83,84,85,86,87,88,89,98,108,118,128,
%T 138,148,158,168,178,180,181,182,183,184,185,186,187,188,189,198,208,
%U 218,228,238,248,258,268,278,280,281,282,283,284,285,286,287,288,289
%N Numbers that contain an 8.
%C In China, numbers with many 8 digits are considered auspicious because the character for 8 (八) sounds like the character for wealth (發). - _Charles R Greathouse IV_, Aug 28 2012
%H Vincenzo Librandi, <a href="/A011538/b011538.txt">Table of n, a(n) for n = 1..3439</a>
%H <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>.
%F a(n) ~ n. - _Charles R Greathouse IV_, Aug 28 2012
%t Select[Range[400], DigitCount[#, 10, 8]>0 &] (* _Vincenzo Librandi_, Feb 15 2017 *)
%o (PARI) is(n)=!!setsearch(Set(digits(n)), 8) \\ _Charles R Greathouse IV_, Feb 12 2017
%o (Magma) [n: n in [0..400] | 8 in Intseq(n) ]; // _Vincenzo Librandi_, Feb 15 2017
%o (GAP) Filtered([1..290],n->8 in ListOfDigits(n)); # _Muniru A Asiru_, Feb 24 2019
%o (Python)
%o def ok(n): return '8' in str(n)
%o print(list(filter(ok, range(290)))) # _Michael S. Branicky_, Aug 18 2021
%Y Supersequence of A043521.
%K nonn,base,easy
%O 1,1
%A _N. J. A. Sloane_.
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