Number of n-digit primes ending in 7 in base 10.
A087632
Number of n-digit primes ending in 7 in base 10.
Terms
- a(0) =1a(1) =5a(2) =40a(3) =262a(4) =2103a(5) =17210a(6) =146590a(7) =1274284a(8) =11271819a(9) =101051725a(10) =915754298a(11) =8372478663a(12) =77114370790
External references
- oeis: A087632