Lesser of two consecutive primes such that the product of its digits is also prime and that of the other is composite.
A370851
Lesser of two consecutive primes such that the product of its digits is also prime and that of the other is composite.
Terms
- a(0) =17a(1) =31a(2) =71a(3) =113a(4) =131a(5) =151a(6) =211a(7) =311a(8) =1117a(9) =1151a(10) =1171a(11) =1511a(12) =2111a(13) =11117a(14) =11131a(15) =11171a(16) =11311a(17) =111121a(18) =111211a(19) =112111a(20) =113111a(21) =131111a(22) =311111a(23) =511111a(24) =1111151a(25) =1111211a(26) =1111711a(27) =1117111a(28) =1171111a(29) =11111117
External references
- oeis: A370851