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A007232 Number of free subsets of multiplicative group of GF(5^n).
(Formerly M2077)
0
2, 15, 74, 409, 1951, 9765, 48827, 256347, 1220699, 6103515, 30517572, 160216158, 762939452, 3814697265, 19073486293, 101327896117, 476837158134 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

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).

CROSSREFS

Sequence in context: A056037 A125903 A178321 * A099743 A102289 A041243

Adjacent sequences:  A007229 A007230 A007231 * A007233 A007234 A007235

KEYWORD

nonn

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.