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A091297 A fixed point of the morphism 0 ->02, 1 ->02, 2 ->11, starting from 0. 3
0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 0, 2, 0, 2, 1, 1, 0, 2, 0, 2, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

To construct the sequence: start from the Feigenbaum sequence A035263 = 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, ..., then change 1 -> 0, 2 and 0 -> 1, 1. - Philippe Deléham, Apr 18 2004

LINKS

Table of n, a(n) for n=1..105.

Index entries for sequences that are fixed points of mappings

FORMULA

a(n) = 0 iff n = A079523(k), a(n) = 1 iff n = A081706(2k) or n = 1 + A081706(2k), a(n) = 2 iff n = A036554(k) . a(2n-1) + a(2n) = 2 . a(2n-1) = (A065037(2n+1) - A065037(2n-1) - 2)/2.

MATHEMATICA

Nest[ Function[ l, {Flatten[(l /. {0 -> {0, 2}, 1 -> {0, 2}, 2 -> {1, 1}}) ]}], {0}, 7] (* Robert G. Wilson v, Mar 03 2005 *)

CROSSREFS

Cf. A036554 A065037 A079523 A081706.

Sequence in context: A122821 A054009 A176451 * A166712 A035183 A178101

Adjacent sequences:  A091294 A091295 A091296 * A091298 A091299 A091300

KEYWORD

easy,nonn

AUTHOR

Philippe Deléham, Feb 24 2004

EXTENSIONS

More terms from Robert G. Wilson v, Mar 03 2005

STATUS

approved

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Last modified October 18 10:28 EDT 2017. Contains 293507 sequences.