First differences of A169701.

Terms

a(0) =4a(1) =3a(2) =16a(3) =1a(4) =28a(5) =-17a(6) =56a(7) =-4a(8) =81a(9) =-97a(10) =96a(11) =-20a(12) =144a(13) =-136a(14) =225a(15) =-85a(16) =152a(17) =-88a(18) =148a(19) =-12a(20) =212a(21) =-279a(22) =323a(23) =-8a(24) =128a(25) =-171a(26) =443a(27) =-255a(28) =263a(29) =-183