a(n) = greatest number in row n of array T given by A027011.

Terms

a(0) =1a(1) =3a(2) =4a(3) =7a(4) =15a(5) =28a(6) =47a(7) =98a(8) =199a(9) =373a(10) =661a(11) =1404a(12) =2801a(13) =5283a(14) =9859a(15) =20495a(16) =40615a(17) =77040a(18) =147760a(19) =303553a(20) =599801a(21) =1143134a(22) =2228414a(23) =4544731a(24) =8968421a(25) =17160232a(26) =33801192a(27) =68602923a(28) =135308317a(29) =259763268