%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