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A176178 Concatenation of perfect numbers written in base 2. 0
1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

6=110; 28=11100; 496=111110000 etc.

LINKS

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

CROSSREFS

Sequence in context: A247795 A030657 A249066 * A267778 A285384 A165728

Adjacent sequences:  A176175 A176176 A176177 * A176179 A176180 A176181

KEYWORD

nonn,base,easy,less

AUTHOR

Vincenzo Librandi, Apr 10 2010

EXTENSIONS

Edited by N. J. A. Sloane, Apr 13 2010

STATUS

approved

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Last modified February 21 05:23 EST 2020. Contains 332086 sequences. (Running on oeis4.)