A247148 Primes p that divide LS(p), where LS is the "Look and Say" function (A045918).

2, 5, 108947, 4940867

Offset: 1

Author

G. L. Honaker, Jr., Nov 20 2014

Keywords

• nonn
• more
• hard
• base

Comments

a(5) > 4*10^12. - Tyler Busby, Feb 02 2023

Examples

			a(2)=5, because 5 is prime and divides LS(5) or 15.
		

Links

• Chris K. Caldwell and G. L. Honaker, Prime Curio for 108947

Crossrefs

Cf. A000040, A045918, A079342.

Extensions

a(4) from Alois P. Heinz, Nov 20 2014