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A121037 Multiples of 17 containing a 17 in their decimal representation. 34

%I #17 Feb 26 2024 09:41:15

%S 17,170,1173,1700,1717,1734,1751,1768,1785,2176,3179,3417,5117,6171,

%T 6817,7174,8177,8517,10217,11713,11730,11747,11764,11781,11798,11917,

%U 12172,13175,13617,14178,15317,17000,17017,17034,17051,17068,17085

%N Multiples of 17 containing a 17 in their decimal representation.

%H Paolo Xausa, <a href="/A121037/b121037.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>.

%F a(n) ~ 17n. - _Charles R Greathouse IV_, Feb 12 2017

%t Select[17*Range[2000], StringContainsQ[IntegerString[#], "17"] &] (* _Paolo Xausa_, Feb 25 2024 *)

%o (PARI) is(n)=if(n%17, return(0)); while(n>16, if(n%100==17, return(1)); n\=10); 0 \\ _Charles R Greathouse IV_, Feb 12 2017

%Y Cf. A121041, A008599, A011531, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121038, A121039, A121040.

%K nonn,base,easy

%O 1,1

%A _Reinhard Zumkeller_, Jul 21 2006

%E Corrected by _T. D. Noe_, Oct 25 2006

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Last modified April 16 07:57 EDT 2024. Contains 371698 sequences. (Running on oeis4.)