Partial sums of A166752.

Terms

a(0) =1a(1) =2a(2) =5a(3) =6a(4) =17a(5) =18a(6) =61a(7) =62a(8) =233a(9) =234a(10) =917a(11) =918a(12) =3649a(13) =3650a(14) =14573a(15) =14574a(16) =58265a(17) =58266a(18) =233029a(19) =233030a(20) =932081a(21) =932082a(22) =3728285a(23) =3728286a(24) =14913097a(25) =14913098a(26) =59652341a(27) =59652342a(28) =238609313a(29) =238609314