Number of primes of the form (x+1)^5 - x^5 less than 10^n.
A221846
Number of primes of the form (x+1)^5 - x^5 less than 10^n.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2a(4) =3a(5) =4a(6) =6a(7) =12a(8) =19a(9) =30a(10) =40a(11) =66a(12) =110a(13) =173a(14) =285a(15) =463a(16) =749a(17) =1256a(18) =2075a(19) =3499a(20) =5884a(21) =9928a(22) =16754a(23) =28345a(24) =48037a(25) =82187a(26) =140358a(27) =239768a(28) =409315a(29) =700510
External references
- oeis: A221846