A007230 Number of free subsets of multiplicative group of GF(2^n). (Formerly M1738)

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).

Links

Table of n, a(n) for n=1..20.

Crossrefs

Sequence in context: A293621 A175879 A102371 * A290234 A327734 A308706

Adjacent sequences: A007227 A007228 A007229 * A007231 A007232 A007233

Keyword

nonn

Author

Simon Plouffe

Status

approved