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A053725
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Number of n X n binary matrices of order dividing 3 (also number of solutions to X^3=I in GL(n,2)).
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21
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1, 3, 57, 1233, 75393, 19109889, 6326835201, 6388287561729, 23576681450405889, 120906321631678693377, 1968421511613895105052673, 111055505036706392268074909697, 8965464105556083354144035638870017
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished.
Kent E. Morrison, Integer Sequences and Matrices Over Finite Fields, Journal of Integer Sequences, Vol. 9 (2006), Article 06.2.1.
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CROSSREFS
| Sequence in context: A060483 A139746 A157929 * A053774 A009723 A069992
Adjacent sequences: A053722 A053723 A053724 * A053726 A053727 A053728
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KEYWORD
| nonn
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AUTHOR
| Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 23 2000
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