26771144402domain: NAppears in sequencesSmallest k > 2 such that 2|k, 3|k+1, 4|k+2,..., n|k+n-2.at n=23A174554Smallest k > 2 such that 2|k, 3|k+1, 4|k+2,..., n|k+n-2.at n=24A174554