3087648domain: NAppears in sequencesMain diagonal of array A099028.at n=5A099029Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 7 adjacent terms unique.at n=9A152646Triangle read by rows, coefficients of the Swiss-Knife median polynomials M_{n}(x) in descending order of powers.at n=47A213736