Third differences of partition numbers A000041.

Terms

a(0) =-1a(1) =1a(2) =-1a(3) =2a(4) =-2a(5) =3a(6) =-2a(7) =3a(8) =-2a(9) =5a(10) =-4a(11) =7a(12) =-3a(13) =7a(14) =-3a(15) =11a(16) =-5a(17) =15a(18) =-4a(19) =17a(20) =-2a(21) =24a(22) =-4a(23) =32a(24) =1a(25) =38a(26) =5a(27) =53a(28) =7a(29) =70