Number of "prime quadruplets" with largest member < 10^n.
A050258
Number of "prime quadruplets" with largest member < 10^n.
Terms
- a(0) =0a(1) =2a(2) =5a(3) =12a(4) =38a(5) =166a(6) =899a(7) =4768a(8) =28388a(9) =180529a(10) =1209318a(11) =8398278a(12) =60070590a(13) =441296836a(14) =3314576487a(15) =25379433651a(16) =197622677481
External references
- oeis: A050258