Primes in A343531.

Terms

a(0) =2a(1) =7a(2) =31a(3) =83a(4) =307a(5) =503a(6) =919a(7) =1483a(8) =5059a(9) =9439a(10) =10139a(11) =13159a(12) =15647a(13) =17431a(14) =21491a(15) =23671a(16) =30911a(17) =33599a(18) =47459a(19) =49199a(20) =52627a(21) =58199a(22) =62327a(23) =79379a(24) =81551a(25) =90971a(26) =98443a(27) =109171a(28) =114643a(29) =123439