a(n) = A078152(2^n).

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =4a(5) =8a(6) =13a(7) =22a(8) =34a(9) =52a(10) =77a(11) =114a(12) =166a(13) =240a(14) =345a(15) =494a(16) =705a(17) =1004a(18) =1427a(19) =2026a(20) =2873a(21) =4072a(22) =5767a(23) =8166a(24) =11558a(25) =16356a(26) =23141a(27) =32738a(28) =46309a(29) =65504