Lexicographically earliest sequence such that the sequence and its first and second differences share no terms, and the 3rd differences are equal to the original sequence.

A202349

Lexicographically earliest sequence such that the sequence and its first and second differences share no terms, and the 3rd differences are equal to the original sequence.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =20a(4) =39a(5) =75a(6) =148a(7) =297a(8) =597a(9) =1196a(10) =2391a(11) =4779a(12) =9556a(13) =19113a(14) =38229a(15) =76460a(16) =152919a(17) =305835a(18) =611668a(19) =1223337a(20) =2446677a(21) =4893356a(22) =9786711a(23) =19573419a(24) =39146836a(25) =78293673a(26) =156587349a(27) =313174700a(28) =626349399a(29) =1252698795

External references