The smallest positive integer m such that m mod 2k < k for k = 1, 2, 3, ..., n.

Terms

a(0) =2a(1) =4a(2) =8a(3) =8a(4) =24a(5) =24a(6) =72a(7) =144a(8) =144a(9) =144a(10) =384a(11) =384a(12) =2160a(13) =2160a(14) =2160a(15) =6720a(16) =54240a(17) =57600a(18) =131040a(19) =131040a(20) =131040a(21) =131040a(22) =612000a(23) =612000a(24) =612000a(25) =612000a(26) =612000a(27) =776160a(28) =776160a(29) =776160