a(0) = 0; for n >= 1, a(n) = -(3/2)*(a(n-1)+A355905(n-1)).

Terms

a(0) =0a(1) =0a(2) =-3a(3) =3a(4) =-6a(5) =9a(6) =-15a(7) =21a(8) =-33a(9) =48a(10) =-75a(11) =111a(12) =-168a(13) =252a(14) =-381a(15) =570a(16) =-858a(17) =1287a(18) =-1932a(19) =2898a(20) =-4350a(21) =6525a(22) =-9789a(23) =14682a(24) =-22026a(25) =33039a(26) =-49560a(27) =74340a(28) =-111513a(29) =167268