Lesser of two consecutive primes such that the product of its digits is also prime and the sum of the digits of the other is composite.
A370848
Lesser of two consecutive primes such that the product of its digits is also prime and the sum of the digits of the other is composite.
Terms
- a(0) =13a(1) =17a(2) =31a(3) =71a(4) =113a(5) =1151a(6) =11131a(7) =112111a(8) =113111a(9) =131111a(10) =1111211a(11) =1111711a(12) =11111117a(13) =11111171a(14) =71111111a(15) =115111111a(16) =1111111121a(17) =1111115111a(18) =1115111111a(19) =1117111111a(20) =1151111111a(21) =1711111111a(22) =11111111113a(23) =11113111111a(24) =31111111111a(25) =111113111111a(26) =111511111111
External references
- oeis: A370848