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A007230
Number of free subsets of multiplicative group of GF(2^n).
(Formerly M1738)
0
0, 1, 2, 7, 12, 30, 54, 127, 226, 508, 930, 2046, 3780, 8182, 15288, 32767, 61680, 131042, 248346, 524284
OFFSET
1,3
REFERENCES
P. Bouchard and Y.-N. Yeh, Finding f-free subsets of maximal cardinality, Séries Formelles et Combinatoire Algébrique, 4th colloquium, 15-19 Juin 1992, Montréal, Université du Québec à Montréal, pp. 11-17.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
CROSSREFS
Sequence in context: A293621 A175879 A102371 * A290234 A327734 A308706
KEYWORD
nonn
AUTHOR
STATUS
approved