A116499 Numbers k such that the base-10 representation of k^2 has the structure dmmd, where d is a single digit and m is a string of digits.

63565788, 777035126, 785900449264170834, 824735400720481514, 41969556121016094021, 7841042904081599033746826, 775474811976872476373043200886, 403578381989727694739321538082071713672671, 820657465670154825723396137907157085701046

Offset: 1

Author

Giovanni Resta, Feb 18 2006

Keywords

• base
• nonn

Examples

			785900449264170834^2 = 6[17639516153625555][17639516153625555]6.
		

Links

• Max Alekseyev, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A116500, A116501, A305719.