Search: id:A144866
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%I A144866
%S A144866 1,1,2,1,1,3,5,2,4,1,5,3,5,8,1,2,5,6,5,1,11,7,5,6,1,7,4,8,5,4,5,2,11,8,
%T A144866 4,7,5,7,11,2,5,15,5,9,4,8,5,6,5,1,12,8,5,6,3,13,12,7,5,4,5,8,22,2,8,16,
%U A144866 5,11,11,6,5,12,5,7,1,8,25,16,5,2,4,8,5,22,5,7,11,15,5,6,25,8,11,8,5,5
%N A144866 Shadow transform of C(n+4,5) = A000389(n+4).
%H A144866 N. J. A. Sloane, <a href="transforms.txt">Transforms</a>
%p A144866 shadow:= proc(p) proc(n) local j; add (`if` (modp(p(j), n)=0, 1,0), j=0..n-1) 
               end end: f:= proc(k) proc(n) binomial (n+k-1,k) end end: a:= n-> 
               shadow (f(5))(n): seq (a(n), n=1..120);
%Y A144866 5th column of A144871. Cf. A007318.
%Y A144866 Sequence in context: A114163 A090234 A007754 this_sequence A058732 A060082 
               A102225
%Y A144866 Adjacent sequences: A144863 A144864 A144865 this_sequence A144867 A144868 
               A144869
%K A144866 nonn
%O A144866 1,3
%A A144866 Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 23 2008

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