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Search: id:A046630
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A046630 Number of cubic residues mod 2^n. +0
1
1, 2, 3, 5, 10, 19, 37, 74, 147, 293, 586, 1171, 2341, 4682, 9363, 18725, 37450, 74899, 149797, 299594, 599187, 1198373, 2396746, 4793491, 9586981, 19173962, 38347923, 76695845, 153391690, 306783379, 613566757, 1227133514, 2454267027 (list; graph; listen)
OFFSET

0,2

LINKS

S. R. Finch and Pascal Sebah, Squares and Cubes Modulo n (arXiv:math.NT/0604465).

FORMULA

G.f.: (-2x^3-x^2+1)/[(1-2x)(1-x^3)].

CROSSREFS

Sequence in context: A065053 A078715 A166874 this_sequence A064236 A007569 A054317

Adjacent sequences: A046627 A046628 A046629 this_sequence A046631 A046632 A046633

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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