Primes P such that P and P+2 are twin primes and P = p(n)# + p(m) with p(n) < p(m) < p(n+1)^2, or 0 if no such prime P for n, p(n)# = n-th primorial, p(m)= m-th prime ( p(m), p(m+1) twin primes ).
A088903
Primes P such that P and P+2 are twin primes and P = p(n)# + p(m) with p(n) < p(m) < p(n+1)^2, or 0 if no such prime P for n, p(n)# = n-th primorial, p(m)= m-th prime ( p(m), p(m+1) twin primes ).
Terms
- a(0) =5a(1) =11a(2) =17a(3) =41a(4) =59a(5) =71a(6) =227a(7) =239a(8) =269a(9) =281a(10) =311a(11) =2339a(12) =2381a(13) =30089a(14) =30137a(15) =30269a(16) =510551a(17) =510581a(18) =510611a(19) =510617a(20) =510707a(21) =9699731a(22) =9699887a(23) =9699917a(24) =223093511a(25) =6469693331a(26) =6469693511a(27) =6469693661a(28) =6469694039a(29) =6469694057
External references
- oeis: A088903