First term of n-th difference sequence of (round(k*sqrt(5))), k >= 0.

Terms

a(0) =2a(1) =0a(2) =1a(3) =-3a(4) =6a(5) =-10a(6) =16a(7) =-28a(8) =56a(9) =-120a(10) =256a(11) =-528a(12) =1056a(13) =-2080a(14) =4096a(15) =-8128a(16) =16256a(17) =-32640a(18) =65535a(19) =-131308a(20) =262446a(21) =-523260a(22) =1039720a(23) =-2053600a(24) =4014856a(25) =-7726160a(26) =14539590a(27) =-26553320a(28) =46611620a(29) =-77558760