A027020 a(n) = greatest number in row n of array T given by A027011.
1, 3, 4, 7, 15, 28, 47, 98, 199, 373, 661, 1404, 2801, 5283, 9859, 20495, 40615, 77040, 147760, 303553, 599801, 1143134, 2228414, 4544731, 8968421, 17160232, 33801192, 68602923, 135308317, 259763268, 515250948, 1042217402, 2055373383
Offset: 1