Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.

A133276

Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.

Terms

    a(0) =2a(1) =2a(2) =3a(3) =3a(4) =5a(5) =7a(6) =5a(7) =11a(8) =17a(9) =23a(10) =5a(11) =11a(12) =17a(13) =23a(14) =29a(15) =7a(16) =37a(17) =67a(18) =97a(19) =127a(20) =157a(21) =7a(22) =157a(23) =307a(24) =457a(25) =607a(26) =757a(27) =907a(28) =199a(29) =409

External references