5-step Fibonacci sequence starting with 0,0,1,0,0.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =0a(5) =1a(6) =2a(7) =4a(8) =7a(9) =14a(10) =28a(11) =55a(12) =108a(13) =212a(14) =417a(15) =820a(16) =1612a(17) =3169a(18) =6230a(19) =12248a(20) =24079a(21) =47338a(22) =93064a(23) =182959a(24) =359688a(25) =707128a(26) =1390177a(27) =2733016a(28) =5372968a(29) =10562977