430274domain: NAppears in sequencesNumber of threshold functions on n X n grid.at n=29A114146Number of arrangements of 5 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.at n=10A190074