277152domain: NAppears in sequencesThis sequence needs a meaningful name.at n=18A121794Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 5 adjacent terms unique.at n=8A152354a(n) = [x^n] G(x)^n, where G(x) = Product_{k >= 1} ((1 + x^k)/(1 - x^k))^(k^2) is the g.f. of A206622.at n=6A380582