a(n) = number of m such that A080737(m) <= 2n.

Terms

a(0) =2a(1) =5a(2) =9a(3) =17a(4) =24a(5) =35a(6) =48a(7) =62a(8) =82a(9) =108a(10) =138a(11) =180a(12) =223a(13) =272a(14) =336a(15) =401a(16) =483a(17) =578a(18) =685a(19) =814a(20) =957a(21) =1113a(22) =1299a(23) =1502a(24) =1737a(25) =2004a(26) =2299a(27) =2633a(28) =3005a(29) =3420