Smallest a(n)>2 such that all integers strictly between a(n)-n and a(n) are composite.

Terms

a(0) =3a(1) =5a(2) =10a(3) =11a(4) =28a(5) =29a(6) =96a(7) =97a(8) =122a(9) =123a(10) =124a(11) =125a(12) =126a(13) =127a(14) =538a(15) =539a(16) =540a(17) =541a(18) =906a(19) =907a(20) =1150a(21) =1151a(22) =1350a(23) =1351a(24) =1352a(25) =1353a(26) =1354a(27) =1355a(28) =1356a(29) =1357