101400domain: NAppears in sequencesT(n,0) + T(n,1) + ... + T(n,n), T given by A027907.at n=11A027914Number of 2-step self-avoiding walks on an n X n X n cube summed over all starting positions.at n=25A187163Triangle read by rows: T(n,k) = number of permutations p of [n] such that max(|p(p(i)) - i|)=k (n>=1, 0<=k<=n-1).at n=43A364817