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

Terms

a(0) =-3a(1) =0a(2) =0a(3) =1a(4) =-4a(5) =10a(6) =-20a(7) =36a(8) =-64a(9) =120a(10) =-239a(11) =484a(12) =-946a(13) =1716a(14) =-2794a(15) =3872a(16) =-3872a(17) =1a(18) =14160a(19) =-52478a(20) =143716a(21) =-345400a(22) =767976a(23) =-1613128a(24) =3226257a(25) =-6148960a(26) =11119030a(27) =-18874260a(28) =29414650a(29) =-39955040