First term of n-th difference sequence of (floor(k*r)), r = -sqrt(8), k >= 0.

Terms

a(0) =-3a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =-6a(7) =21a(8) =-56a(9) =126a(10) =-252a(11) =463a(12) =-804a(13) =1365a(14) =-2366a(15) =4368a(16) =-8736a(17) =18565a(18) =-40410a(19) =87381a(20) =-184604a(21) =379050a(22) =-758100a(23) =1486675a(24) =-2884776a(25) =5592405a(26) =-10919090a(27) =21572460a(28) =-43144920a(29) =87087001