Positive integers that have exactly eight representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of distinct primes.
A317398
Positive integers that have exactly eight representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of distinct primes.
Terms
- a(0) =2991a(1) =3004a(2) =3319a(3) =3554a(4) =3928a(5) =4846a(6) =5552a(7) =5886a(8) =6293a(9) =6784a(10) =7183a(11) =7286a(12) =7396a(13) =7668a(14) =7741a(15) =7743a(16) =7829a(17) =7996a(18) =8095a(19) =8121a(20) =8212a(21) =8477a(22) =8586a(23) =8614a(24) =8856a(25) =8861a(26) =9096a(27) =9307a(28) =9374a(29) =9591
External references
- oeis: A317398