a(n) = least prime P(n) such that P(n)-2*p(n) is prime and P(n+1)>P(n) with p(n)=n-th prime.
A115972
a(n) = least prime P(n) such that P(n)-2*p(n) is prime and P(n+1)>P(n) with p(n)=n-th prime.
Terms
- a(0) =11a(1) =29a(2) =149a(3) =307a(4) =1151a(5) =2503a(6) =8501a(7) =30631a(8) =81509a(9) =85991a(10) =190471a(11) =404671a(12) =535481a(13) =840439a(14) =1101071a(15) =2127269a(16) =4640717a(17) =6613753a(18) =6958801a(19) =10343903a(20) =24120379a(21) =49269739a(22) =83751287a(23) =101649827a(24) =166726561a(25) =273469943a(26) =310845889
External references
- oeis: A115972