A115552 Numbers k such that k^2 is the concatenation of two numbers 8*m and m.

9, 18, 27, 267, 2667, 26667, 266667, 2666667, 26666667, 266666667, 2666666667, 9063180828, 9237472767, 9411764706, 9586056645, 9760348584, 9934640523, 10108932462, 10283224401, 10457516340, 10631808279, 10806100218

Offset: 1

Author

Giovanni Resta, Jan 25 2006

Keywords

• nonn
• base

Examples

			9^2 = 8_1.
		

Crossrefs

Cf. A102567, A106497, A115527 - A115556.

Extensions

Definition modified by Georg Fischer, Jul 26 2019