First term of n-th difference sequence of (floor(Pi*k/3)), k >= 0.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =0a(12) =0a(13) =0a(14) =0a(15) =0a(16) =0a(17) =0a(18) =0a(19) =0a(20) =0a(21) =1a(22) =-22a(23) =253a(24) =-2024a(25) =12650a(26) =-65780a(27) =296010a(28) =-1184040a(29) =4292145