Partial sums of A087207.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =8a(5) =11a(6) =19a(7) =20a(8) =22a(9) =27a(10) =43a(11) =46a(12) =78a(13) =87a(14) =93a(15) =94a(16) =158a(17) =161a(18) =289a(19) =294a(20) =304a(21) =321a(22) =577a(23) =580a(24) =584a(25) =617a(26) =619a(27) =628a(28) =1140a(29) =1147