A116143 Numbers k such that k concatenated with k-2 gives the product of two numbers which differ by 3.
10, 100, 132, 406, 510, 852, 1000, 7930, 10000, 66942, 100000, 113322, 440056, 1000000, 5289256, 10000000, 58477510, 100000000, 111333222, 164378892, 183673470, 200444410, 206611570, 224376732, 277008310, 297520662
Offset: 1