%I A157072
%S A157072 2,138,5292,142140,2947590,49858158,712832792,8832976488,96648771870,
%T A157072 947399938870,8416542780492,68407265558268,512700872216442,
%U A157072 3567168162771570,23172711963346320,141251698411654288
%N A157072 Number of integer sequences of length n+1 with sum zero and sum of absolute 
               values 46
%F A157072 a(n)=T(n,23); T(n,k)=sum({i=1..n}binomial(n+1,i)*binomial(k-1,i-1)*binomial(n-i+k,
               k))
%Y A157072 A103881 A156554
%Y A157072 Sequence in context: A000662 A139907 A087619 this_sequence A051029 A084560 
               A054681
%Y A157072 Adjacent sequences: A157069 A157070 A157071 this_sequence A157073 A157074 
               A157075
%K A157072 nonn
%O A157072 1,1
%A A157072 Ron Hardin (rhhardin(AT)att.net) Feb 22 2009