a(n) = greatest number in row n of array T given by A027960.

Terms

a(0) =1a(1) =3a(2) =4a(3) =8a(4) =15a(5) =28a(6) =54a(7) =101a(8) =199a(9) =373a(10) =743a(11) =1404a(12) =2801a(13) =5353a(14) =10636a(15) =20495a(16) =40615a(17) =78753a(18) =155793a(19) =303553a(20) =599801a(21) =1173183a(22) =2316317a(23) =4544731a(24) =8968421a(25) =17641499a(26) =34801731a(27) =68602923a(28) =135308317a(29) =267203186