Flimsy numbers.

Terms

a(0) =11a(1) =13a(2) =19a(3) =22a(4) =23a(5) =25a(6) =26a(7) =27a(8) =29a(9) =37a(10) =38a(11) =39a(12) =41a(13) =43a(14) =44a(15) =46a(16) =47a(17) =50a(18) =52a(19) =53a(20) =54a(21) =55a(22) =57a(23) =58a(24) =59a(25) =61a(26) =67a(27) =71a(28) =74a(29) =76