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a(n) = decimal equivalent of A215254(n).
4

%I #6 Mar 28 2014 23:43:18

%S 1,2,4,9,18,37,77,150,333,601,1202,2405,4941,9622,21325,38489,76978,

%T 153957

%N a(n) = decimal equivalent of A215254(n).

%Y Cf. A215244-A215246, A215254.

%K nonn,base

%O 1,2

%A _N. J. A. Sloane_, Aug 14 2012