A116134 Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 1.
92185, 1453156572932210152879253333913, 3829098407015032018435618903285, 1017438814759112270449904796121753809
Offset: 1
Examples
92185//92182 = 96013 * 96014, where // denotes concatenation.