A027246 a(n) = greatest number in row n of array T given by A026780.
1, 1, 3, 5, 12, 24, 53, 117, 246, 580, 1178, 2916, 6150, 14834, 32656, 76221, 173719, 395048, 926664, 2063104, 4958556, 10847078, 26619438, 59372770, 143365880, 326086492, 774562478, 1792293014, 4197344582, 9861375614
Offset: 0