A101407 a(n) = 4^(n!).

4, 4, 16, 4096, 281474976710656, 1766847064778384329583297500742918515827483896875618958121606201292619776

Offset: 0

Author

Parthasarathy Nambi, Jan 15 2005

Keywords

• nonn

Examples

			a(3) = 4^(3!) = 4096.
		

Programs

Mathematica

a=4;lst={};Do[a=a^n;AppendTo[lst,a],{n,1,7}];lst (* Vladimir Joseph Stephan Orlovsky, May 26 2009 *)
4^Range[0,5]! (* Harvey P. Dale, Aug 22 2016 *)