194925domain: NAppears in sequencesa(n) = (122n^3 + 140n^2 + 45n + 3n(-1)^n)/8.at n=23A191698Number of nX2 0..2 arrays with the row and column sums nondecreasing.at n=8A203324Sequence shifts left three places under Weigh transform with a(n) = signum(n) for n<3.at n=31A316075