Middle q of three consecutive primes p,q,r, such that one adjacent prime is near, the other is far and the ratio of the differences (whichever of (r-q)/(q-p) or (q-p)/(r-q) is greater than 1) sets a record.
A084105
Middle q of three consecutive primes p,q,r, such that one adjacent prime is near, the other is far and the ratio of the differences (whichever of (r-q)/(q-p) or (q-p)/(r-q) is greater than 1) sets a record.
Terms
- a(0) =3a(1) =29a(2) =113a(3) =139a(4) =199a(5) =523a(6) =1151a(7) =1669a(8) =2971a(9) =6947a(10) =10007a(11) =16141a(12) =25471a(13) =40639a(14) =79699a(15) =102761a(16) =173359a(17) =265621a(18) =404851a(19) =838249a(20) =1349533a(21) =1562051a(22) =6371537a(23) =7230479a(24) =27980987a(25) =42082303a(26) =53231051a(27) =70396589a(28) =192983851a(29) =253878617
External references
- oeis: A084105