Lexicographically earliest increasing sequence of positive numbers that contains no arithmetic progression of length 5.

A020655

Lexicographically earliest increasing sequence of positive numbers that contains no arithmetic progression of length 5.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =8a(7) =9a(8) =11a(9) =12a(10) =13a(11) =14a(12) =16a(13) =17a(14) =18a(15) =19a(16) =26a(17) =27a(18) =28a(19) =29a(20) =31a(21) =32a(22) =33a(23) =34a(24) =36a(25) =37a(26) =38a(27) =39a(28) =41a(29) =42

External references