Number of 1's in A127962(n).

Terms

a(0) =2a(1) =3a(2) =4a(3) =6a(4) =7a(5) =9a(6) =10a(7) =12a(8) =16a(9) =22a(10) =31a(11) =40a(12) =51a(13) =64a(14) =84a(15) =96a(16) =100a(17) =157a(18) =174a(19) =351a(20) =855a(21) =1309a(22) =1770a(23) =2904a(24) =5251a(25) =5346a(26) =5640a(27) =6196a(28) =7240a(29) =21369