Index of starting position of n-th generation of terms in A063882.

Terms

a(0) =1a(1) =5a(2) =10a(3) =21a(4) =44a(5) =92a(6) =189a(7) =385a(8) =778a(9) =1565a(10) =3141a(11) =6294a(12) =12602a(13) =25219a(14) =50454a(15) =100926a(16) =201871a(17) =403763a(18) =807548a(19) =1615119a(20) =3230263a(21) =6460552a(22) =12921132a(23) =25842293a(24) =51684616a(25) =103369264a(26) =206738561a(27) =413477157a(28) =826954350a(29) =1653908737