Number of Fermat pseudoprimes to bases 2, 3 and 5 less than 10^n.
A114248
Number of Fermat pseudoprimes to bases 2, 3 and 5 less than 10^n.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =4a(4) =11a(5) =36a(6) =95a(7) =257a(8) =685a(9) =1747a(10) =4405a(11) =10601a(12) =25991a(13) =63589a(14) =156965a(15) =387971a(16) =973753a(17) =2471133a(18) =6340799
External references
- oeis: A114248