Table read by rows where i-th row consists of primes P of the form P=j*P(i)# -1 or P=j*P(i)# +1 with 0 < j < P(i+1). Here P(r)# = A002110.
A087715
Table read by rows where i-th row consists of primes P of the form P=j*P(i)# -1 or P=j*P(i)# +1 with 0 < j < P(i+1). Here P(r)# = A002110.
Terms
- a(0) =3a(1) =3a(2) =5a(3) =5a(4) =7a(5) =11a(6) =13a(7) =17a(8) =19a(9) =23a(10) =29a(11) =31a(12) =59a(13) =61a(14) =89a(15) =149a(16) =151a(17) =179a(18) =181a(19) =211a(20) =419a(21) =421a(22) =631a(23) =839a(24) =1049a(25) =1051a(26) =1259a(27) =1471a(28) =1889a(29) =2099
External references
- oeis: A087715