A116095 Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 2.

2137, 2892, 6369, 12217, 21964, 28233, 42312, 4978977, 9571608, 18642249, 32288908, 96039609, 200037461217, 305526508312, 570666416233, 638912248204, 996003996009, 1846991026584, 3251664327537, 4859838227992

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Comments

If k-9 and k-8 have the same number of decimal digits, and k is in A115435, it also is in this sequence (and vice versa). - R. J. Mathar, Aug 09 2010

Examples

			96039609//96039600 = 97999800 * 97999802, where // denotes
concatenation.
		

Crossrefs

Cf. A116094, A116096, A116102, A116226.