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Search: id:A154108
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%I A154108
%S A154108 1,0,2,7,27,114,523,2589,13744,77821,467767,2972432,19895813,139824045
%N A154108 A000110 / (1,2,3,...): (convolved with (1,2,3,...) = Bell numbers.
%C A154108 Convolved with (1,2,3,...) = Bell numbers starting (1, 2, 5, 15, 52,...);
%C A154108 equivalent to row sums of triangle A154109 = (1, 2, 5, 15, 52,...).
%C A154108 Apparently a variant of A011965. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jan 07 2009]
%F A154108 A000110 / (1,2,3,...); where A000110 (the Bell numbers) begin with offset 
               1:
%F A154108 (1, 2, 5, 15, 52, 203, 877,...).
%e A154108 A000110(5) = 52 =(1, 0, 2, 7, 27 convolved with (1, 2, 3, 4, 5) = (5 
               + 0 + 6 + 14 + 27).
%Y A154108 A000110, A154109
%Y A154108 Sequence in context: A150628 A106225 A127897 this_sequence A011965 A150629 
               A150630
%Y A154108 Adjacent sequences: A154105 A154106 A154107 this_sequence A154109 A154110 
               A154111
%K A154108 nonn
%O A154108 1,3
%A A154108 Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 04 2009

    
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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