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"BIK" (reversible, indistinct, unlabeled) transform of A000237.
3

%I #9 Dec 19 2015 09:44:53

%S 1,1,2,5,15,48,164,583,2142,8062,30950,120651,476418,1901311,7656763,

%T 31074151,126963466,521820340,2155911512,8948711597,37299355151,

%U 156054201936,655134261795,2758885471920,11651193009013

%N "BIK" (reversible, indistinct, unlabeled) transform of A000237.

%H Christian G. Bower, <a href="/A035350/b035350.txt">Table of n, a(n) for n=0..500</a>

%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>

%Y Cf. A000083, A000237, A000314, A035082, A035349-A035357.

%K nonn

%O 0,3

%A _Christian G. Bower_, Nov 15 1998