Number of prime quadruples < 10^n, where a prime quadruple means 4 successive primes {p, p', p'', p'''} with p''' = p + 8.
A055738
Number of prime quadruples < 10^n, where a prime quadruple means 4 successive primes {p, p', p'', p'''} with p''' = p + 8.
Terms
- a(0) =0a(1) =3a(2) =6a(3) =13a(4) =39a(5) =167a(6) =900a(7) =4769a(8) =28389a(9) =180530a(10) =1209319a(11) =8398279a(12) =60070591a(13) =441296837a(14) =3314576488
External references
- oeis: A055738