a(1) = 1, a(n) = smallest multiple of a(n-1) > a(n-1) such that a(n) + 1 is a prime.
A084716
a(1) = 1, a(n) = smallest multiple of a(n-1) > a(n-1) such that a(n) + 1 is a prime.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =12a(4) =36a(5) =72a(6) =432a(7) =1296a(8) =2592a(9) =10368a(10) =72576a(11) =508032a(12) =1524096a(13) =12192768a(14) =73156608a(15) =146313216a(16) =438939648a(17) =2633637888a(18) =23702740992a(19) =142216445952
External references
- oeis: A084716