

A049064


Describe the previous term in binary (method A  initial term is 0).


3



0, 10, 1110, 11110, 100110, 1110010110, 111100111010110, 100110011110111010110, 1110010110010011011110111010110, 1111001110101100111001011010011011110111010110, 1001100111101110101100111100111010110111001011010011011110111010110
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OFFSET

1,2


COMMENTS

Method A = 'frequency' (in binary mode) followed by 'digit'indication.
The number of digits of a(n) is A001609(n) except for n = 2. See the link from T. Sillke below.  Jianing Song, Mar 16 2019


LINKS

Kade Robertson, Table of n, a(n) for n = 1..18
Kade Robertson, Table of n, a(n) for n = 1..31
T. Sillke, The binary form of Conway's sequence


FORMULA

a(n) = A001391(n1), n > 1.  R. J. Mathar, Oct 15 2008


EXAMPLE

E.g., the term after 11110 is obtained by saying "four (i.e., 100 in binary mode) 1, one 0", which gives 100110.


CROSSREFS

Cf. A001387 (initial term is 1), A001391, A001609 (number of digits), A259710 (written in decimal).
Decimal lookandsay sequences: A005150, A006751, A006715, A001140, A001141, A001143, A001145, A001151, A001154.
Sequence in context: A036058 A001155 A001391 * A267246 A266589 A015026
Adjacent sequences: A049061 A049062 A049063 * A049065 A049066 A049067


KEYWORD

base,easy,nice,nonn


AUTHOR

Olivier de Mouzon


EXTENSIONS

Edited by Charles R Greathouse IV, Apr 06 2010
a(11) from Kade Robertson, Jun 24 2015
Offset corrected by Jianing Song, Mar 16 2019


STATUS

approved



