704016domain: NAppears in sequencesNumber of 1-cell columns in all deco polyominoes of height n.at n=8A121555Triangle read by rows: expansion of Sum_{k=0..n} binomial(n, k)*(Product_{j=0..n-k+1} (x + i)) * (-1)^k * x^(k-1).at n=28A174789Number of n element multisets of the 12th roots of unity with zero sum.at n=41A321417