Search: id:A035604
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%I A035604
%S A035604 0,2,40,402,2720,14002,58728,209762,658048,1854882,4780008,11414898,
%T A035604 25534368,53972178,108568488,209070018,387328512,693230658,
%U A035604 1202893992,2029779538,3339504032,5369283570,8453107432,13053926690
%N A035604 Number of points of L1 norm 10 in cubic lattice Z^n.
%D A035604 J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information 
               Processing Letters, 76, no. 1-2 (2000), 39-44.
%H A035604 J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination 
               Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (<a href="http:/
               /www.research.att.com/~njas/doc/ldl7.txt">Abstract</a>, <a href="http:/
               /www.research.att.com/~njas/doc/ldl7.pdf">pdf</a>, <a href="http:/
               /www.research.att.com/~njas/doc/ldl7.ps">ps</a>).
%F A035604 2n^2/14175 * (2n^8 + 120n^6 + 1806n^4 + 7180n^2 + 5067).
%p A035604 f := proc(d,m) local i; sum( 2^i*binomial(d,i)*binomial(m-1,i-1),i=1..min(d,
               m)); end; # n=dimension, m=norm
%Y A035604 Sequence in context: A003760 A155977 A092698 this_sequence A108033 A160229 
               A012807
%Y A035604 Adjacent sequences: A035601 A035602 A035603 this_sequence A035605 A035606 
               A035607
%K A035604 nonn,easy
%O A035604 0,2
%A A035604 N. J. A. Sloane (njas(AT)research.att.com).

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