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Search: id:A066123
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A066123 In base 2, two 'Reverse and Add' steps are needed to reach a palindrome. +0
1
11, 13, 23, 29, 39, 43, 53, 55, 57, 59, 69, 79, 81, 87, 91, 109, 117, 121, 133, 143, 151, 161, 167, 171, 173, 175, 179, 181, 183, 205, 207, 213, 215, 229, 233, 235, 237, 239, 241, 243, 245, 247, 261, 265, 277, 287, 289, 303, 311, 321, 327, 337, 343, 347, 349 (list; graph; listen)
OFFSET

0,1

COMMENT

The analogue of A065207 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded.

LINKS

Index entries for sequences related to Reverse and Add!

CROSSREFS

A006995, A065207, A066122.

Sequence in context: A075519 A019406 A080790 this_sequence A048393 A136058 A106073

Adjacent sequences: A066120 A066121 A066122 this_sequence A066124 A066125 A066126

KEYWORD

base,nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 08 2001

page 1

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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