A115763 Primes p such that the digits of p^2, reversed, include the digits of p as a substring.

5, 87690769, 311314139, 44466725441, 38460053757197

Offset: 1

Author

Giovanni Resta, Jan 30 2006

Keywords

• nonn
• base
• more

Comments

a(6) > 6*10^14. - Giovanni Resta, Oct 21 2018

Examples

			311314139^2 = 969164(931413113)21.
		

Crossrefs

Cf. A115761, A115762, A115764, A115738.

Extensions

a(5) from Giovanni Resta, Sep 11 2018