a(0)=44; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).

Terms

a(0) =44a(1) =22a(2) =88a(3) =44a(4) =176a(5) =88a(6) =352a(7) =176a(8) =704a(9) =352a(10) =1408a(11) =704a(12) =2816a(13) =1408a(14) =5632a(15) =2816a(16) =11264a(17) =5632a(18) =22528a(19) =11264a(20) =45056a(21) =22528a(22) =90112a(23) =45056a(24) =180224a(25) =90112a(26) =360448a(27) =180224a(28) =720896a(29) =360448