A116194 Numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 6.

1, 2, 10, 47, 550, 802, 570035, 623387, 1327222, 4041011, 8252210, 164398539591831062, 173868055738777586, 339918283297349107, 353476744122425611, 846974882088186070, 868300386379144450

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			8252210//8252215 = 9084165 * 9084171, where // denotes
concatenation.
		

Crossrefs

Cf. A116187, A116193, A116195, A116208, A116325.