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 A061833 #8 Feb 15 2017 00:28:47 %S A061833 11,33,55,77,99,319,517,539,715,737,759,913,935,957,979,1111,1133, %T A061833 1155,1177,1199,1331,1353,1375,1397,1551,1573,1595,1771,1793,1991, %U A061833 3113,3135,3157,3179,3311,3333,3355,3377,3399,3531,3553,3575,3597,3751,3773,3795 %N A061833 Multiples of 11 having only odd digits. %H A061833 Harvey P. Dale, <a href="/A061833/b061833.txt">Table of n, a(n) for n = 1..1000</a> %H A061833 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %e A061833 1353 = 11*123 is a term having all odd digits. %t A061833 Select[11*Range[400],AllTrue[IntegerDigits[#],OddQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* _Harvey P. Dale_, Aug 30 2015 *) %o A061833 (PARI) is(n)=n%22==11 && #setintersect(Set(digits(n)), [0,2,4,6,8])==0 \\ _Charles R Greathouse IV_, Feb 15 2017 %Y A061833 Cf. A061829-A061832. %K A061833 nonn,base,easy %O A061833 1,1 %A A061833 _Amarnath Murthy_, May 29 2001 %E A061833 Corrected and extended by Larry Reeves (larryr(AT)acm.org), May 30 2001