First term of n-th difference sequence of (floor(k*r)), r = 1/2 + sqrt(2), k >= 0.

Terms

a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-1a(5) =1a(6) =-1a(7) =1a(8) =-1a(9) =1a(10) =-1a(11) =0a(12) =11a(13) =-77a(14) =363a(15) =-1364a(16) =4367a(17) =-12375a(18) =31823a(19) =-75581a(20) =167959a(21) =-352715a(22) =705431a(23) =-1352078a(24) =2496167a(25) =-4457699a(26) =7728759a(27) =-13055444a(28) =21572459a(29) =-35072309