%I #9 Jun 25 2024 12:29:48
%S 1,1,3,15,82,518,3652,28123,233733,2075597,19542826,193908574,
%T 2017519282,21921326573,247882099197,2908534759303,35322473621014,
%U 443010881207381,5726889928765906,76175517383629544,1040964231177762308,14594191539892866665
%N Floor-Sqrt transform of (signless) central Stirling numbers of the first kind (A187646).
%F a(n) = floor(sqrt(|Stirling1(2*n,n)|)).
%t Table[Floor[Sqrt[Abs[StirlingS1[2n,n]]]],{n,0,100}]
%o (Maxima) makelist(floor(sqrt(abs(stirling1(2*n,n)))),n,0,24);
%Y Cf. A187646.
%K nonn
%O 0,3
%A _Emanuele Munarini_, Jul 07 2011