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 A084050 #8 Aug 25 2014 11:38:04 %S A084050 1,2,3,4,5,6,7,8,9,10,11,20,22,30,33,40,44,50,55,60,66,70,77,80,88,90, %T A084050 99,100,101,110,111,112,113,114,115,116,117,118,119,121,122,131,133, %U A084050 141,144,151,155,161,166,171,177,181,188,191,199,200,202,211,212,220,221 %N A084050 Numbers n such that at least one permutation of the digits of n yields a palindrome. %C A084050 Union of A037124 and numbers with at most one decimal digit occurring an odd number of times. a(281)=1001 is the first term greater than 90 not also a term of A044959. The terms greater than 90 are a subsequence of A109303. - _Rick L. Shepherd_, Jun 24 2005 %Y A084050 Cf. A044959, A084051. %Y A084050 Cf. A037124 (numbers with only one nonzero digit), A109303 (numbers with at least one duplicate digit). %K A084050 base,easy,nonn %O A084050 1,2 %A A084050 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 26 2003 %E A084050 Corrected by _Rick L. Shepherd_, Jun 24 2005