A116251 n times n+1 gives the concatenation of two numbers m and m-5.

8, 74, 7249, 7934, 86897, 95988, 7450775, 8912862, 3546363535354546354, 4635454646463635464, 5364545353536364536, 6453636464645453646, 31993591495513432827264, 39229430087220380122376

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			8912862 * 8912863 = 7943911//7943906, where // denotes
concatenation.
		

Crossrefs

Cf. A116120, A116246, A116252, A116265.