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Search: id:A027381
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| A027381 |
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Number of irreducible polynomials of degree n over GF(9); dimensions of free Lie algebras. |
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+0
4
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| 1, 9, 36, 240, 1620, 11808, 88440, 683280, 5380020, 43046640, 348672528, 2852823600, 23535749880, 195528140640, 1634056262280, 13726075468992, 115813759112820, 981010688215680, 8338590828280440, 71097458824894320
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OFFSET
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0,2
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REFERENCES
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E. R. Berlekamp, Algebraic Coding Theory, McGraw-Hill, NY, 1968, p. 84.
M. Lothaire, Combinatorics on Words. Addison-Wesley, Reading, MA, 1983, p. 79.
G. Viennot, Algebres de Lie Libres et Monoides Libres, Lecture Notes in Mathematics 691, Springer verlag 1978.
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..200
Y. Puri and T. Ward, Arithmetic and growth of periodic orbits, J. Integer Seqs., Vol. 4 (2001), #01.2.1.
Index entries for sequences related to Lyndon words
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CROSSREFS
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Cf. A001037.
Adjacent sequences: A027378 A027379 A027380 this_sequence A027382 A027383 A027384
Sequence in context: A038780 A073984 A036907 this_sequence A024120 A129425 A079655
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KEYWORD
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nonn
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AUTHOR
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njas
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