0-sequence of reduction of (n^2+n+1) by x^2 -> x+1.

Terms

a(0) =1a(1) =1a(2) =8a(3) =21a(4) =63a(5) =156a(6) =371a(7) =827a(8) =1776a(9) =3687a(10) =7461a(11) =14776a(12) =28749a(13) =55101a(14) =104264a(15) =195121a(16) =361651a(17) =664660a(18) =1212431a(19) =2196935a(20) =3957136a(21) =7089331a(22) =12638953a(23) =22433136a(24) =39655993a(25) =69841561a(26) =122584136a(27) =214478637a(28) =374166471a(29) =650979852