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 A071266 #11 Jul 06 2024 23:47:26 %S A071266 1,0,22,44,66,88,1111,1661,1771,1881,1991,2662,2772,4444,2882,2992, %T A071266 3773 %N A071266 Smallest numbers which can be written in exactly n different ways as k + R(k) where R(k) is k reversed (A004086). %C A071266 a(17), if it exists, exceeds 10^10. - _Sean A. Irvine_, Jul 06 2024 %H A071266 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a> %e A071266 a(0) = 1, since 1 cannot be written as k + R(k); a(1) = 0, since 0 = k + R(k) for k = 0. %e A071266 a(4) = 66 and the four partitions are (60,06),(51,15),(42,24),(33,33). %K A071266 nonn,base %O A071266 0,3 %A A071266 _Amarnath Murthy_, Jun 01 2002 %E A071266 More terms from _Klaus Brockhaus_, Jun 05 2002