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A160417 a(n) = A160415(n+1)/4. 5

%I

%S 2,1,7,1,7,3,21,1,7,3,21,3,21,9,63,1,7,3,21,3,21,9,63,3,21,9,63,9,63,

%T 27,189,1,7,3,21,3,21,9,63,3,21,9,63,9,63,27,189

%N a(n) = A160415(n+1)/4.

%Y Cf. A152978, A160118, A160413, A160415.

%K more,nonn

%O 1,1

%A _Omar E. Pol_, Jun 13 2009

%E More terms from _Max Alekseyev_, Dec 12 2011

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Last modified August 13 22:00 EDT 2020. Contains 336455 sequences. (Running on oeis4.)