Erroneous version of A036706.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =7a(6) =10a(7) =10a(8) =12a(9) =17a(10) =14a(11) =18a(12) =17a(13) =22a(14) =22a(15) =21a(16) =28a(17) =28a(18) =28a(19) =29a(20) =28a(21) =36a(22) =35a(23) =36a(24) =36