A116248 n times n+4 gives the concatenation of two numbers m and m-6.

7310, 8989, 32522, 67475, 76566, 4891728, 5108269, 8528092, 71588334, 98999899, 399659933005, 600340066992, 723627738225, 877712329766, 998999998999, 3485626998112, 3787100274612, 6212899725385, 6514373001885

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			98999899 * 98999903 = 98009803//98009797, where // denotes
concatenation.
		

Crossrefs

Cf. A115431, A116235, A116247, A116249, A116254.