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 A102279 #5 Mar 30 2012 17:38:04 %S A102279 1,48,720,17280,17915904000,479219999055934390272000000000 %N A102279 Numbers n such that n = phi(d_1)!*phi(d_2)!* ... *phi(d_k)! where d_1 d_2 ... d_k is the decimal expansion of n and assume that phi(0)=0. %C A102279 All terms are of the form 2^i*3^j*5^t. %C A102279 No more terms < 10^100. - _David Wasserman_, Apr 03 2008 %e A102279 17280 is in the sequence because 17280 = phi(1)!*phi(7)!*phi(2)!*phi(8)!*phi(0)!. %Y A102279 Cf. A097655, A102280, A102281. %K A102279 base,less,nonn %O A102279 1,2 %A A102279 _Farideh Firoozbakht_, Jan 08 2005