A116270 n times n+8 gives the concatenation of two numbers m and m-3.

62, 45211539, 54788454, 78317866, 72388446037855609175404256, 73247326752475247326752671, 75267524732673267524732471, 76126405447292905676080886, 42053270820132695893502981749302

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			78317866 * 78317874 = 61336887//61336884, where // denotes
concatenation.
		

Crossrefs

Cf. A116139, A116257, A116269, A116271, A116277.