A116110 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 3.
55, 5255, 6295, 75511, 92137, 5551405, 7943911, 1257669432489239675, 2148743977942130765, 2877834685014859837, 4164942361780146967, 10235898967817894552965, 15389481849681116007757
Offset: 1