M-sequences m_0,m_1,m_2,m_3 with m_1 < n.

Terms

a(0) =2a(1) =5a(2) =16a(3) =52a(4) =152a(5) =392a(6) =904a(7) =1899a(8) =3694a(9) =6743a(10) =11672a(11) =19318a(12) =30772a(13) =47426a(14) =71024a(15) =103717a(16) =148122a(17) =207385a(18) =285248a(19) =386120a(20) =515152a(21) =678316a(22) =882488a(23) =1135535a(24) =1446406a(25) =1825227a(26) =2283400a(27) =2833706a(28) =3490412a(29) =4269382