First differences of A142705.

Terms

a(0) =3a(1) =-1a(2) =13a(3) =-9a(4) =29a(5) =-23a(6) =51a(7) =-43a(8) =79a(9) =-69a(10) =113a(11) =-101a(12) =153a(13) =-139a(14) =199a(15) =-183a(16) =251a(17) =-233a(18) =309a(19) =-289a(20) =373a(21) =-351a(22) =443a(23) =-419a(24) =519a(25) =-493a(26) =601a(27) =-573a(28) =689a(29) =-659