Semiprimes sp of the form p^2 + q + 1 where p and q are consecutive primes.
A242243
Semiprimes sp of the form p^2 + q + 1 where p and q are consecutive primes.
Terms
- a(0) =15a(1) =33a(2) =187a(3) =309a(4) =559a(5) =1411a(6) =1897a(7) =2263a(8) =2869a(9) =3543a(10) =6979a(11) =10717a(12) =11559a(13) =11995a(14) =22353a(15) =32953a(16) =39009a(17) =54529a(18) =57363a(19) =58333a(20) =66313a(21) =77011a(22) =80383a(23) =113917a(24) =120759a(25) =124969a(26) =147079a(27) =158011a(28) =167701a(29) =175983
External references
- oeis: A242243