Number of n-digit base-2 deletable digit-sum multiple (DSM) integers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =9a(7) =13a(8) =26a(9) =44a(10) =87a(11) =165a(12) =305a(13) =523a(14) =948a(15) =1792a(16) =3501a(17) =6644a(18) =12622a(19) =23334a(20) =43232a(21) =79651a(22) =149716a(23) =281278a(24) =532051a(25) =1000247a(26) =1883093a(27) =3577619a(28) =6901273a(29) =13495425