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 A255431 #4 Feb 25 2015 12:37:28 %S A255431 22,62,82,472,522,662,822,832,932,972,2362,2382,2522,2562,2632,2972, %T A255431 4522,4832,4862,4882,4932,4972,5022,5062,5082,5322,5472,6062,6382, %U A255431 6632,6662,6782,6972,7022,7382,7432,7472,7632,8322,8332,8362,8672,8882 %N A255431 Numbers n such that integers n through n+6 and their squares all lack the digit 1 in their decimal expansion. %C A255431 Integers n through n+6 are terms in A255430. %C A255431 All terms are congruent to 2 mod 10. %e A255431 22,23,24,25,26,27,28 and their squares 484,529,576,625,676,729,784 are "one-less". %Y A255431 Cf. A000027, A052383, A067251, A255398, A255430. %K A255431 nonn,base %O A255431 1,1 %A A255431 _Zak Seidov_, Feb 23 2015