a(n) is the first partial sum of the numbers with n prime factors, counted with multiplicity, that is prime.
A376481
a(n) is the first partial sum of the numbers with n prime factors, counted with multiplicity, that is prime.
Terms
- a(0) =2a(1) =19a(2) =113a(3) =367a(4) =2161a(5) =9791a(6) =127781a(7) =255019a(8) =1090421a(9) =6031891a(10) =27701213a(11) =124489399a(12) =584289157a(13) =2772603503a(14) =13172647021a(15) =59835586439a(16) =279157058197
External references
- oeis: A376481