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A121034
Multiples of 14 containing a 14 in their decimal representation.
34
14, 140, 714, 1148, 1400, 1414, 1428, 1442, 1456, 1470, 1484, 1498, 2114, 2142, 2814, 3514, 4144, 4214, 4914, 5614, 6146, 6314, 7014, 7140, 7714, 8148, 8414, 9114, 9142, 9814, 10514, 11144, 11214, 11410, 11424, 11438, 11452, 11466, 11480, 11494
OFFSET
1,1
FORMULA
a(n) ~ 14n. - Charles R Greathouse IV, Nov 02 2022
MATHEMATICA
Select[14*Range[2000], StringContainsQ[IntegerString[#], "14"] &] (* Paolo Xausa, Feb 25 2024 *)
PROG
(PARI) is(n)=if(n%14, return(0)); while(n>13, if(n%100==14, return(1)); n\=10); 0 \\ 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
STATUS
approved