A116109 Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.
94, 210, 294, 994, 5880, 9994, 52888, 99994, 127044, 414180, 999994, 8264470, 9999994, 12456750, 41868508, 99999994, 112670544, 441341880, 468144040, 669421494, 702338994, 715976338, 750005718, 960645294, 999999994
Offset: 1
Examples
8505429358//8505429350 = 9222488466 * 9222488475, where // denotes concatenation.