A116263 n times n+7 gives the concatenation of two numbers m and m-4.

83, 76980, 714687, 952311, 90438188, 96320541, 32980078899026, 34346653774235, 42816188292270, 42881990066485, 57118009933509, 57183811707724, 65653346225759, 67019921100968, 81321742742207

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			96320541 * 96320548 = 92776472//92776468, where // denotes
concatenation.
		

Crossrefs

Cf. A116132, A116250, A116262, A116264, A116269.