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 A319747 #24 Aug 08 2024 02:47:18 %S A319747 0,2,4,6,8,10,12,14,16,10,20,30,40,50,60,70,80,90,20,30,40,50,60,70, %T A319747 80,90,100,30,40,50,60,70,80,90,100,110,40,50,60,70,80,90,100,110,120, %U A319747 50,60,70,80,90,100,110,120,130,60,70,80,90,100,110,120,130,140,70 %N A319747 a(n) = A319726(n) + A319657(n). %C A319747 This sequence is different from A055958. For example, A055958(82) = 164 and a(82) = 100. %H A319747 Seiichi Manyama, <a href="/A319747/b319747.txt">Table of n, a(n) for n = 0..6560</a> %t A319747 Table[FromDigits[Reverse[#], 9] + FromDigits[#, 9] & [Sort[IntegerDigits[n, 9]]], {n, 0, 100}] (* _Paolo Xausa_, Aug 08 2024 *) %o A319747 (PARI) a(n) = my(dn=digits(n, 9)); fromdigits(vecsort(dn), 9) + fromdigits(vecsort(dn,,4), 9); \\ _Michel Marcus_, Sep 28 2018 %Y A319747 Base b: A319785 (b=2), this sequence (b=9), A052008 (b=10). %Y A319747 Cf. A055958, A165110, A319657, A319726. %K A319747 nonn,base,look %O A319747 0,2 %A A319747 _Seiichi Manyama_, Sep 27 2018