Euler transform of A027656(n-1).

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =3a(5) =6a(6) =9a(7) =13a(8) =19a(9) =28a(10) =42a(11) =57a(12) =84a(13) =115a(14) =164a(15) =227a(16) =313a(17) =429a(18) =588a(19) =799a(20) =1079a(21) =1461a(22) =1952a(23) =2617a(24) =3480a(25) =4627a(26) =6111a(27) =8072a(28) =10604a(29) =13905