%I #11 Mar 28 2020 05:38:51
%S 2,4,2,8,4,2,16,8,4,2,32,16,8,4,2,64,32,16,8,4,2,128,64,32,16,8,4,2,
%T 256,128,64,32,16,8,4,2,512,256,128,64,32,16,8,4,2,1024,512,256,128,
%U 64,32,16,8,4,2,2048,1024,512,256,128,64,32,16,8,4,2,4096,2048,1024,512,256
%N a(n) = 2^A004736(n).
%F a(n) = 2^A004736(n).
%e Triangle begins
%e 2
%e 4 2
%e 8 4 2
%e 16 8 4 2
%t Flatten[Table[2^n,{i,15},{n,i,1,-1}]] (* _Harvey P. Dale_, Dec 27 2011 *)
%Y Cf. A004736.
%K easy,nonn,tabl
%O 1,1
%A _Alford Arnold_, Feb 29 2004