Primes of the form 210n+11.

Terms

a(0) =11a(1) =431a(2) =641a(3) =1061a(4) =1481a(5) =1901a(6) =2111a(7) =2531a(8) =2741a(9) =3371a(10) =3581a(11) =4001a(12) =4211a(13) =4421a(14) =5051a(15) =5261a(16) =5471a(17) =6101a(18) =6311a(19) =6521a(20) =7151a(21) =8831a(22) =9041a(23) =9461a(24) =10091a(25) =10301a(26) =11351a(27) =11981a(28) =12401a(29) =12611