|
%I #4 Mar 31 2012 12:35:26
%S 1,4,9,25,49,121,225,481,882,1690,2899,5275,8622,14633,23387,37834,
%T 58113,90924,135610,204938,299216,438428,625118,897211,1253138,
%U 1756603,2414933,3322105,4489393,6080038,8096013,10793738,14197556,18663320,24250155
%N Number of nondecreasing integer sequences of length 14 with sum zero and sum of absolute values 2n.
%C a(n) = A000041(n)^2 for n<=7
%C a(n) = A000041(n)^2 - cumulative A000712(2*n-1-length), 0 <= 2*n-1-length <= floor(n/2) [empirical].
%H R. H. Hardin, <a href="/A158148/b158148.txt">Table of n, a(n) for n=1..433</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 13 2009
|
