A122570 Consider the Thue-Morse sequence (A010060) at each iteration. Read each reversed string as a binary number and convert it to a decimal number.

0, 2, 6, 150, 27030, 2523490710, 7608434000728254870, 199931532107794273605284333428918544790, 47758914269546354982683078068829456704164423862093743397580034411621752859030

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Thue-Morse Sequence

Formula

T[n,m]=ThueMorse[n, 0], a(n) = Sum[T[n,m]*2^(m - 1), {m, 1, 2^(n - 1)}]

Mathematica

FromDigits[ #, 2] & /@ NestList[Flatten[ # /. {1 -> {0, 1}, 0 -> {1, 0}}] &, {0}, 8] (* Robert G. Wilson v Sep 25 2006 *)

Crossrefs

Cf. A010060, A010059, A014571.

Sequence in context: A024397 A099185 A015173 * A088430 A246958 A219761

Adjacent sequences: A122567 A122568 A122569 * A122571 A122572 A122573

Keyword

nonn,base

Author

Roger L. Bagula, Sep 17 2006

Extensions

Edited by Robert G. Wilson v, Sep 25 2006

Status

approved