Smallest number of complexity n: smallest number requiring n 1's to build using +, * and ^.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =7a(6) =11a(7) =13a(8) =21a(9) =23a(10) =41a(11) =43a(12) =71a(13) =94a(14) =139a(15) =211a(16) =215a(17) =431a(18) =863a(19) =1437a(20) =1868a(21) =2855a(22) =5737a(23) =8935a(24) =15838a(25) =15839a(26) =54357a(27) =95597a(28) =139117a(29) =233195