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

Terms

a(0) =2a(1) =1a(2) =-1a(3) =0a(4) =3a(5) =-9a(6) =19a(7) =-35a(8) =63a(9) =-119a(10) =238a(11) =-483a(12) =945a(13) =-1715a(14) =2793a(15) =-3871a(16) =3871a(17) =0a(18) =-14161a(19) =52479a(20) =-143717a(21) =345401a(22) =-767977a(23) =1613129a(24) =-3226258a(25) =6148961a(26) =-11119031a(27) =18874261a(28) =-29414651a(29) =39955041