Areas for which ApSimon's diagonal point triangle problem has no solution.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =9a(6) =13a(7) =17a(8) =23a(9) =31a(10) =37a(11) =43a(12) =46a(13) =47a(14) =51a(15) =53a(16) =59a(17) =61a(18) =67a(19) =73a(20) =79a(21) =83a(22) =92a(23) =93a(24) =94a(25) =97a(26) =101a(27) =103a(28) =106a(29) =107