A112530: p(n)+/ n and p(n)+/-2n are all primes.

[zak seidov]

Just submitted A112530:
Numbers n such that prime(n) +/- n and prime(n) +/- 2n
are all primes
720,1920,5580,14370,17160,21090,26040,28560,...
Why are all n's  divisible by 30?
Thanks, Zak


	
		
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