A116326 Numbers k such that k*(k+7) gives the concatenation of two numbers m and m+5.

8601, 9423, 35441, 64553, 73644, 4851412, 5148582, 8784946, 726216462985, 753613723259, 791909893642, 819307153916, 3654754464602947513, 4527063717215234299, 5472936282784765695, 6345245535397052481

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			8784946 * 8784953 = 7717533//7717538, where // denotes concatenation.
		

Crossrefs

Cf. A116195, A116319, A116325, A116327, A116332.