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 A080467 #22 Oct 01 2024 15:45:28 %S A080467 0,418,616,638,814,836,858,2101,2123,2145,2167,2189,2321,2343,2365, %T A080467 2387,2541,2563,2585,2761,2783,2981,4103,4125,4147,4169,4301,4323, %U A080467 4345,4367,4389,4521,4543,4565,4587,4741,4763,4785,4961,4983,6105,6127,6149 %N A080467 Multiples of 11 in which the even positioned digits from left are odd and the odd positioned ones are even. %H A080467 Andrew Howroyd, <a href="/A080467/b080467.txt">Table of n, a(n) for n = 1..1000</a> %Y A080467 Intersection of A008593 and A062285. %Y A080467 Cf. A080466. %K A080467 base,nonn %O A080467 1,2 %A A080467 _Amarnath Murthy_, Mar 02 2003 %E A080467 Terms corrected by _Andrew Howroyd_, Sep 29 2024