106132domain: NAppears in sequencesLCM-convolution of squares A000290 with themselves.at n=22A033456Number T(n,k) of permutations of [n] having exactly k consecutive 3-term arithmetic progressions; triangle T(n,k), n>=0, 0<=k<=max(n-2,0), read by rows.at n=31A295390Partial sums of A299287.at n=34A299288