a(n) is smallest prime such that a(n)+1 is a proper multiple of a(n-1)+1 [with a(1)=1].
A058000
a(n) is smallest prime such that a(n)+1 is a proper multiple of a(n-1)+1 [with a(1)=1].
Terms
- a(0) =1a(1) =3a(2) =7a(3) =23a(4) =47a(5) =191a(6) =383a(7) =1151a(8) =6911a(9) =27647a(10) =138239a(11) =691199a(12) =3455999a(13) =34559999a(14) =138239999a(15) =414719999a(16) =2073599999a(17) =16588799999a(18) =364953599999
External references
- oeis: A058000