143496domain: NAppears in sequencesa(n) is the sum of the preceding terms that are coprime to n.at n=33A082865Number of n X 2 0..2 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.at n=10A223927Number of n step self-avoiding walks on 3 X infinity grid starting from (0,0).at n=16A302408