First differences of the dying rabbits sequence A000044.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =5a(7) =8a(8) =13a(9) =21a(10) =34a(11) =55a(12) =88a(13) =143a(14) =231a(15) =373a(16) =603a(17) =974a(18) =1574a(19) =2543a(20) =4109a(21) =6639a(22) =10727a(23) =17332a(24) =28004a(25) =45248a(26) =73109a(27) =118126a(28) =190862a(29) =308385