Lexicographically earliest increasing sequence of nonnegative numbers that contains no arithmetic progression of length 6.

A020656

Lexicographically earliest increasing sequence of nonnegative numbers that contains no arithmetic progression of length 6.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =7a(7) =8a(8) =9a(9) =11a(10) =12a(11) =13a(12) =14a(13) =16a(14) =17a(15) =18a(16) =19a(17) =21a(18) =22a(19) =23a(20) =24a(21) =25a(22) =32a(23) =33a(24) =34a(25) =35a(26) =36a(27) =38a(28) =42a(29) =43

External references