Shifts left two places under BIN1 transform.

Terms

a(0) =1a(1) =1a(2) =1a(3) =-3a(4) =7a(5) =-11a(6) =17a(7) =-27a(8) =45a(9) =-75a(10) =123a(11) =-199a(12) =321a(13) =-519a(14) =841a(15) =-1363a(16) =2207a(17) =-3571a(18) =5777a(19) =-9347a(20) =15125a(21) =-24475a(22) =39603a(23) =-64079a(24) =103681a(25) =-167759a(26) =271441a(27) =-439203a(28) =710647a(29) =-1149851