Differences of A035399.

Terms

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