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A053754 If n is in the sequence then 2n and 2n+1 are not (and 0 is in the sequence); when written in binary n has an even number of digits (0 has 0 digits). 6
0, 2, 3, 8, 9, 10, 11, 12, 13, 14, 15, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Runs of successive digits have length twice powers of 4

A031443 is a subsequence; A179888 is the intersection of this sequence and A032925. - Reinhard Zumkeller, Jul 31 2010

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10001

PROG

(Haskell)

a053754 n = a053754_list !! (n-1)

a053754_list = 0 : filter (even . a070939) [1..]

-- Reinhard Zumkeller, Apr 18 2015

CROSSREFS

Cf. A029837.

Cf. A070939.

Sequence in context: A291838 A114585 A161641 * A080745 A283776 A047476

Adjacent sequences:  A053751 A053752 A053753 * A053755 A053756 A053757

KEYWORD

base,easy,nonn

AUTHOR

Henry Bottomley, Apr 06 2000

EXTENSIONS

Offset corrected by Reinhard Zumkeller, Jul 30 2010

STATUS

approved

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Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)