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A192570 a(n) = floor(sqrt(Bell(n))) 5

%I #6 Mar 30 2012 18:55:30

%S 1,1,1,2,3,7,14,29,64,145,340,823,2052,5257,13816,37188,102372,287862,

%T 825879,2415107,7191950,21791507,67132076,210123786,667801519,

%U 2153738687,7044944749,23360587491,78489103731

%N a(n) = floor(sqrt(Bell(n)))

%t Table[Floor[Sqrt[BellB[n]]],{n,0,100}]

%o (Maxima) makelist(floor(sqrt(belln(n))),n,0,28);

%Y Cf. A000110.

%K nonn

%O 0,4

%A _Emanuele Munarini_, Jul 04 2011

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)