One-dimensional cellular automaton 'sigma' (Rule 150).

Terms

a(0) =1a(1) =3a(2) =5a(3) =13a(4) =17a(5) =59a(6) =81a(7) =219a(8) =257a(9) =899a(10) =1349a(11) =3437a(12) =4353a(13) =15235a(14) =20805a(15) =56173a(16) =65537a(17) =229379a(18) =344069a(19) =876557a(20) =1118225a(21) =3913787a(22) =5313617a(23) =14399195a(24) =16842753a(25) =58949635a(26) =88424453a(27) =225271821a(28) =285282321