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a(n) = 2^A004736(n).
0

%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