Greatest number in row n of array T given by A027157.

Terms

a(0) =2a(1) =4a(2) =8a(3) =24a(4) =40a(5) =144a(6) =256a(7) =768a(8) =1408a(9) =4736a(10) =8064a(11) =29440a(12) =51712a(13) =168960a(14) =303104a(15) =1056768a(16) =1810432a(17) =6651904a(18) =11632640a(19) =39452672a(20) =70090752a(21) =248676352a(22) =427261952a(23) =1575419904a(24) =2748710912a(25) =9519759360a(26) =16819683328a(27) =60294692864