Search: id:A035606
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%I A035606
%S A035606 0,2,48,578,4672,28610,142000,596610,2187520,7159170,21278640,
%T A035606 58227906,148321344,354870594,803467056,1732242690,3575055360,
%U A035606 7094825730,13591279920,25216532290,45443741760,79749022402
%N A035606 Number of points of L1 norm 12 in cubic lattice Z^n.
%D A035606 J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information 
               Processing Letters, 76, no. 1-2 (2000), 39-44.
%H A035606 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>).
%p A035606 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 A035606 Sequence in context: A058090 A051252 A005429 this_sequence A157057 A009670 
               A024236
%Y A035606 Adjacent sequences: A035603 A035604 A035605 this_sequence A035607 A035608 
               A035609
%K A035606 nonn,easy
%O A035606 0,2
%A A035606 N. J. A. Sloane (njas(AT)research.att.com).

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