Lucas numbers for which the sum of the digits is a prime.

Terms

a(0) =1a(1) =3a(2) =7a(3) =11a(4) =29a(5) =47a(6) =76a(7) =199a(8) =322a(9) =2207a(10) =24476a(11) =1149851a(12) =141422324a(13) =969323029a(14) =2537720636a(15) =10749957122a(16) =73681302247a(17) =119218851371a(18) =312119004989a(19) =505019158607