A059152 - OEIS

%I #9 Feb 28 2019 20:45:37

%S 4,16,4,64,4,16,4,256,4,16,4,64,4,16,4,1024,4,16,4,64,4,16,4,256,4,16,

%T 4,64,4,16,4,4096,4,16,4,64,4,16,4,256,4,16,4,64,4,16,4,1024,4,16,4,

%U 64,4,16,4,256,4,16,4,64,4,16,4,16384,4,16,4,64,4,16,4,256,4,16,4,64,4,16

%N A hierarchical sequence (W'2{2}c - see A059126).

%H J. Wallgren, <a href="/A059126/a059126.txt">Hierarchical sequences</a>

%F a(n) = 4*4^A007814(n). - _Mitch Harris_, Jun 29 2005

%Y Cf. A007814, A059126.

%K easy,nonn

%O 0,1

%A _Jonas Wallgren_, Feb 02 2001