This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A121037 #17 Feb 26 2024 09:41:15 %S A121037 17,170,1173,1700,1717,1734,1751,1768,1785,2176,3179,3417,5117,6171, %T A121037 6817,7174,8177,8517,10217,11713,11730,11747,11764,11781,11798,11917, %U A121037 12172,13175,13617,14178,15317,17000,17017,17034,17051,17068,17085 %N A121037 Multiples of 17 containing a 17 in their decimal representation. %H A121037 Paolo Xausa, <a href="/A121037/b121037.txt">Table of n, a(n) for n = 1..10000</a> %H A121037 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %F A121037 a(n) ~ 17n. - _Charles R Greathouse IV_, Feb 12 2017 %t A121037 Select[17*Range[2000], StringContainsQ[IntegerString[#], "17"] &] (* _Paolo Xausa_, Feb 25 2024 *) %o A121037 (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 A121037 Cf. A121041, A008599, A011531, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121038, A121039, A121040. %K A121037 nonn,base,easy %O A121037 1,1 %A A121037 _Reinhard Zumkeller_, Jul 21 2006 %E A121037 Corrected by _T. D. Noe_, Oct 25 2006