Smallest k such that the product of q/(q-1) over the primes from prime(n) to prime(n+k-1) is greater than 2.
A001276
Smallest k such that the product of q/(q-1) over the primes from prime(n) to prime(n+k-1) is greater than 2.
Terms
- a(0) =2a(1) =3a(2) =7a(3) =15a(4) =27a(5) =41a(6) =62a(7) =85a(8) =115a(9) =150a(10) =186a(11) =229a(12) =274a(13) =323a(14) =380a(15) =443a(16) =509a(17) =577a(18) =653a(19) =733a(20) =818a(21) =912a(22) =1010a(23) =1114a(24) =1222a(25) =1331a(26) =1448a(27) =1572a(28) =1704a(29) =1845
External references
- oeis: A001276