A116225 n times n+1 gives the concatenation of two numbers m and m-9.

12, 878, 969, 4582271, 5417729, 7235911, 7365332534826384966, 8274423443917294057, 3818527786666305707333509337803, 6181472213333694292666490662197, 7454891423029942070969872974167

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			7235911 * 7235912 = 5235841//5235832, where // denotes
concatenation.
		

Crossrefs

Cf. A116094, A116226, A116232.