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 A241404 #11 Apr 25 2014 16:48:05 %S A241404 2,4,9,28,125,726,5047,40328,362889,12,13,15,20,39,136,737,5058,40339, %T A241404 362900,23,24,26,31,50,147,748,5069,40350,362911,37,38,40,45,64,161, %U A241404 762,5083,40364,362925,65,66,68,73,92,189,790,5111,40392,362953,171,172,174 %N A241404 Sum of n and the sum of the factorials of its digits. %H A241404 Vincenzo Librandi, <a href="/A241404/b241404.txt">Table of n, a(n) for n = 1..1000</a> %F A241404 a(n) = n + A061602(n). - _Michel Marcus_, Apr 21 2014 %e A241404 a(8) = 40328 because we have 8 + 8! = 40328. %t A241404 f[n_]:= n + Plus@@Factorial/@IntegerDigits[n]; Table[f[n], {n, 50}] %o A241404 (PARI) a(n) = my(d = digits(n)); n + sum(i=1, #d, d[i]!); \\ _Michel Marcus_, Apr 21 2014 %Y A241404 Cf. A061602, A108911. %K A241404 nonn,base,easy %O A241404 1,1 %A A241404 _Vincenzo Librandi_, Apr 21 2014