Solutions to A072631[n]=0.

Terms

a(0) =1a(1) =3a(2) =8a(3) =21a(4) =55a(5) =149a(6) =404a(7) =1097a(8) =2981a(9) =8104a(10) =22027a(11) =59875a(12) =162755a(13) =442414a(14) =1202605a(15) =3269018