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 A304039 #17 May 06 2018 02:27:17 %S A304039 0,2,6,24,26,124,122,126,722,728,726,750,746,5046,5064,5164,5070,5066, %T A304039 5162,40370,5166,40350,40346,40464,40448,40442,40466,362906,40446, %U A304039 41046,41070,363008,363002,41066,363026,363628,363006,367948,364346,363624,363606,368044 %N A304039 Least number k such that A304036(k) = n. %H A304039 Rémy Sigrist, <a href="/A304039/b304039.txt">Table of n, a(n) for n = 1..163</a> (first 71 terms from Seiichi Manyama) %e A304039 n | a(n) | %e A304039 --+------+------------------------------------------------------- %e A304039 2 | 2 | 2, 1+1 %e A304039 3 | 6 | 6, 2+2+2, 2+2+1+1 %e A304039 4 | 24 | 24, 6+6+6+6, 6+6+6+2+2+2, 6+6+6+2+2+1+1 %e A304039 5 | 26 | 24+2, 24+1+1, 6+6+6+6+2, 6+6+6+6+1+1, 6+6+6+2+2+2+1+1 %Y A304039 Cf. A304036. %K A304039 nonn %O A304039 1,2 %A A304039 _Seiichi Manyama_, May 05 2018