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Search: id:A040039
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A040039 First differences of A033485; also A033485 doubled up. +0
4
1, 1, 2, 2, 3, 3, 5, 5, 7, 7, 10, 10, 13, 13, 18, 18, 23, 23, 30, 30, 37, 37, 47, 47, 57, 57, 70, 70, 83, 83, 101, 101, 119, 119, 142, 142, 165, 165, 195, 195, 225, 225, 262 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Cf. A000123.

Sequence in context: A085885 A064986 A029019 this_sequence A008667 A109763 A119620

Adjacent sequences: A040036 A040037 A040038 this_sequence A040040 A040041 A040042

KEYWORD

nonn

AUTHOR

njas and J. H. Conway (conway(AT)math.princeton.edu)

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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