Smaller of twin primes of the form P=j*P(i)#-1 and P=j*P(i)#+1 with 0 < j < P(i+1), where P(i) denotes i-th prime and P(i)# the i-th primorial number A002110(i).

A087732

Smaller of twin primes of the form P=j*P(i)#-1 and P=j*P(i)#+1 with 0 < j < P(i+1), where P(i) denotes i-th prime and P(i)# the i-th primorial number A002110(i).

Terms

    a(0) =3a(1) =5a(2) =11a(3) =17a(4) =29a(5) =59a(6) =149a(7) =179a(8) =419a(9) =1049a(10) =2309a(11) =9239a(12) =11549a(13) =25409a(14) =180179a(15) =270269a(16) =300299a(17) =330329a(18) =390389a(19) =420419a(20) =4084079a(21) =8678669a(22) =106696589a(23) =892371479a(24) =2454021569a(25) =3569485919a(26) =4238764529a(27) =4461857399a(28) =4908043139a(29) =6023507489

External references