[seqfan] Re: Primes with n prime substrings

[Ray Chandler]

> Bob,
> thanks for pointing this A054260!
> 
> May be "at least n" and " exactly n" may make difference?
> Anyone may wish to do this (not me anyway :-))
> 
As the comment in A054260 explains, the distinction between "at least n" and " exactly n" first makes a difference in
a(10).
Ray