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A121029
Multiples of 9 containing a 9 in their decimal representation.
34
9, 90, 99, 189, 198, 279, 297, 369, 396, 459, 495, 549, 594, 639, 693, 729, 792, 819, 891, 900, 909, 918, 927, 936, 945, 954, 963, 972, 981, 990, 999, 1089, 1098, 1179, 1197, 1269, 1296, 1359, 1395, 1449, 1494, 1539, 1593, 1629, 1692, 1719, 1791, 1809
OFFSET
1,1
FORMULA
a(n) ~ 9n. - Charles R Greathouse IV, Feb 12 2017
MATHEMATICA
Select[9*Range[250], DigitCount[#, 10, 9]>0&] (* Harvey P. Dale, Feb 13 2022 *)
PROG
(PARI) is(n)=n%9==0 && setsearch(Set(digits(n)), 9) \\ Charles R Greathouse IV, Feb 12 2017
KEYWORD
nonn,base,easy
AUTHOR
Reinhard Zumkeller, Jul 21 2006
EXTENSIONS
Corrected by T. D. Noe, Oct 25 2006
Typo in comment fixed by Reinhard Zumkeller, Aug 13 2010
STATUS
approved