a(n) = greatest number in row n of array T given by A026736.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =11a(6) =22a(7) =43a(8) =94a(9) =173a(10) =398a(11) =707a(12) =1680a(13) =2917a(14) =7085a(15) =12111a(16) =29877a(17) =50503a(18) =126021a(19) =211263a(20) =531751a(21) =885831a(22) =2244627a(23) =3720995a(24) =9478605a(25) =15652239a(26) =40040183a(27) =65913927a(28) =169193597a(29) =277822147