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A007230
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Number of free subsets of multiplicative group of GF(2^n ).
(Formerly M1738)
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0
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0, 1, 2, 7, 12, 30, 54, 127, 226, 508, 930, 2046, 3780, 8182, 15288, 32767, 61680, 131042, 248346, 524284
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| 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.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Sequence in context: A177747 A175879 A102371 * A059053 A032025 A088662
Adjacent sequences: A007227 A007228 A007229 * A007231 A007232 A007233
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KEYWORD
| nonn
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AUTHOR
| Simon Plouffe (simon.plouffe(AT)gmail.com)
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