a(n) is the first prime p such that n*p+1 is the product of n primes counted with multiplicity.

A367687

a(n) is the first prime p such that n*p+1 is the product of n primes counted with multiplicity.

Terms

    a(0) =2a(1) =7a(2) =17a(3) =47a(4) =79a(5) =9479a(6) =41a(7) =5923a(8) =199a(9) =33461a(10) =2141a(11) =69173177a(12) =11579a(13) =7655281a(14) =20753a(15) =64869017a(16) =233231a(18) =341477a(19) =14508897313a(20) =8138947a(21) =24565981007a(22) =27445337a(24) =313566167a(26) =229909997a(28) =948780491a(30) =3390080033

External references