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A246315 A246314(2^n-1). 1

%I

%S 1,9,37,157,713,2737,11421,44021,176801,683369,2695829,10433229,

%T 40796217

%N A246314(2^n-1).

%e a(1)=9 and a(2)=37 are illustrated in A246314.

%Y Cf. A246314.

%K nonn,more

%O 0,2

%A _N. J. A. Sloane_, Aug 26 2014

%E a(9) from _Alois P. Heinz_, Sep 01 2014

%E a(10)-a(12) from _N. J. A. Sloane_, Sep 04 2014

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Last modified January 22 07:31 EST 2022. Contains 350481 sequences. (Running on oeis4.)