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 A135424 #6 Feb 11 2015 17:59:50 %S A135424 1,1,2,6,576,1728000,373248000,645241282560000, %T A135424 106562062388507443200000,2283380023591730815784976384000000, %U A135424 8285929429609672784320522302259200000000000000,6445338699818543423838070745146350567696629760000000000000000 %N A135424 a(n) = n!^number of decimal digits of n!. %t A135424 #^IntegerLength[#]&/@(Range[0,10]!) (* _Harvey P. Dale_, Feb 11 2015 *) %Y A135424 Cf. A034886. %K A135424 nonn,base %O A135424 0,3 %A A135424 _Giovanni Teofilatto_, Dec 12 2007 %E A135424 Offset corrected by _R. J. Mathar_, Apr 22 2010 %E A135424 More terms from _Harvey P. Dale_, Feb 11 2015