First differences of A067046.

Terms

a(0) =1a(1) =8a(2) =0a(3) =25a(4) =-7a(5) =56a(6) =-24a(7) =105a(8) =-55a(9) =176a(10) =-104a(11) =273a(12) =-175a(13) =400a(14) =-272a(15) =561a(16) =-399a(17) =760a(18) =-560a(19) =1001a(20) =-759a(21) =1288a(22) =-1000a(23) =1625a(24) =-1287a(25) =2016a(26) =-1624a(27) =2465a(28) =-2015a(29) =2976