A115446 Numbers k such that the square of k is the concatenation of two numbers m and m-8.

4623, 5378, 7981, 34953, 46866, 53135, 65048, 7056187, 9783460, 43176671, 56823330, 97999801, 447255476453, 552744523548, 755424659535, 799319866014, 997999998001, 4297663349524, 5702336650477, 6971253996228, 7574200549228, 8843117894979, 3505613322543666, 3757750389995601, 3948262973033353

Offset: 1

Author

Giovanni Resta, Jan 25 2006

Keywords

• base
• nonn

Examples

			18642249_18642241 = 43176671^2.
		

Links

• David A. Corneth, Table of n, a(n) for n = 1..1730

Crossrefs

Cf. A030467, A106497, A115435, A115427, A115438, A115439, A115440, A115441, A115442, A115443, A115444, A115445, A115447.

Extensions

More terms from David A. Corneth, Jan 02 2021