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A066145 In base 2, records for the number of 'Reverse and Add' steps needed to reach a palindrome. 5
0, 1, 2, 4, 5, 11, 21, 32, 37, 46, 48, 49, 53, 89, 99, 142, 147, 273 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The analog of A065199 in base 2. A066144 gives the corresponding starting points.

LINKS

Table of n, a(n) for n=0..17.

Index entries for sequences related to Reverse and Add!

EXAMPLE

Starting with 74, 11 'Reverse and Add' steps are needed to reach a palindrome; starting with n < 74, at most 5 steps are needed.

CROSSREFS

Cf. A065199, A062130, A066057, A066058, A066059, A066144.

Sequence in context: A049913 A223220 A113058 * A095022 A279050 A317828

Adjacent sequences:  A066142 A066143 A066144 * A066146 A066147 A066148

KEYWORD

base,more,nonn

AUTHOR

Klaus Brockhaus, Dec 08 2001

STATUS

approved

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Last modified July 20 05:56 EDT 2019. Contains 325168 sequences. (Running on oeis4.)