86946domain: NAppears in sequencesTotal number of all distinct cycle sizes in all permutations of [n].at n=7A132961Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.at n=1A251493T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.at n=4A251499