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

Terms

a(0) =2a(1) =0a(2) =0a(3) =0a(4) =1a(5) =-5a(6) =15a(7) =-35a(8) =71a(9) =-135a(10) =255a(11) =-495a(12) =991a(13) =-2015a(14) =4095a(15) =-8255a(16) =16511a(17) =-32895a(18) =65535a(19) =-130815a(20) =261630a(21) =-523753a(22) =1048322a(23) =-2096151a(24) =4183700a(25) =-8324849a(26) =16480854a(27) =-32363019a(28) =62784774a(29) =-119759849