%I #6 Mar 01 2020 10:52:00
%S 1,11,112,1125,112515,11251552,11251552203,11251552203877,
%T 112515522038774140,11251552203877414021147,
%U 11251552203877414021147115975,11251552203877414021147115975678570
%N Concatenation of first n Bell numbers.
%H Harvey P. Dale, <a href="/A132938/b132938.txt">Table of n, a(n) for n = 0..48</a>
%t Module[{nn=20,b},b=BellB[Range[0,nn]];Table[FromDigits[Flatten[ IntegerDigits/@ Take[b,n]]],{n,nn}]] (* _Harvey P. Dale_, Mar 01 2020 *)
%Y Bell or exponential numbers: A000110. Cf. A007908, A019518, A059996.
%K easy,nonn,base
%O 0,2
%A _Omar E. Pol_, Sep 12 2007
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