A116296 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+1.

82, 77394228, 89158934, 36623663376237623663376336, 37633762366336633762366236, 62366237633663366237633762, 63376336623762376336623662, 86194223018927804587702129

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn
• base

Examples

			89158934 * 89158937 = 79493157//79493158, where // denotes concatenation.
		

Crossrefs

Cf. A116099, A116287, A116295, A116297, A116302.