Partial sums of A027642.

Terms

a(0) =1a(1) =3a(2) =9a(3) =10a(4) =40a(5) =41a(6) =83a(7) =84a(8) =114a(9) =115a(10) =181a(11) =182a(12) =2912a(13) =2913a(14) =2919a(15) =2920a(16) =3430a(17) =3431a(18) =4229a(19) =4230a(20) =4560a(21) =4561a(22) =4699a(23) =4700a(24) =7430a(25) =7431a(26) =7437a(27) =7438a(28) =8308a(29) =8309