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Search: id:A007233
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| A007233 |
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Number of free subsets of multiplicative group of GF(7^n ).
(Formerly M3127)
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+0
1
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| 3, 31, 171, 1575, 8403, 77206, 411771, 3828187, 20176803, 185374380, 988663371, 9083344725, 48444505203, 445083891551, 2373780754971, 22068742956375
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
P. Bouchard and Y.-N. Yeh, Finding f-free subsets of maximal cardinality, S\'{e}ries Formelles et Combinatoire Alg\'{e}brique}, 4th colloquium, 15-19 Juin 1992, Montr\'{e}al, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, pp. 11-17.
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CROSSREFS
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Sequence in context: A089286 A089287 A125085 this_sequence A060416 A060425 A121099
Adjacent sequences: A007230 A007231 A007232 this_sequence A007234 A007235 A007236
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KEYWORD
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nonn
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AUTHOR
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Simon Plouffe (simon.plouffe(AT)gmail.com)
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