Concatenate the primes as 2357111317192329313..., then insert commas from left to right so that between each pair of successive commas is a prime, always making the new prime as small as possible.
A074721
Concatenate the primes as 2357111317192329313..., then insert commas from left to right so that between each pair of successive commas is a prime, always making the new prime as small as possible.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =13a(6) =17a(7) =19a(8) =2a(9) =3a(10) =2a(12) =2a(13) =7a(14) =13a(15) =11a(16) =3a(17) =7a(18) =13a(19) =91491511a(20) =5a(21) =7a(22) =163a(23) =167a(24) =17a(25) =3a(26) =17a(27) =9181a(28) =19a(29) =11a(30) =9319
External references
- oeis: A074721