Number of irregular primes less than or equal to the 3^n-th prime.
A105467
Number of irregular primes less than or equal to the 3^n-th prime.
Terms
- a(0) =0a(1) =0a(2) =5a(3) =22a(4) =91a(5) =286a(6) =863a(7) =2577a(8) =7717a(9) =23160a(10) =69939a(11) =209485a(12) =627826a(13) =1881554a(14) =5645226a(15) =16936048
External references
- oeis: A105467