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A074031
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Number of degree-n irreducible polynomials over GF(4) with trace 0 and subtrace 0.
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4
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1, 0, 2, 0, 15, 40, 153, 480, 1841, 6528, 23901, 87040, 322875, 1198080, 4474738, 16773120
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| F. Ruskey, Number of irreducible polynomials over GF(4) with given trace and subtrace
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CROSSREFS
| Cf. A074032, A074033, A074034, A074035.
Sequence in context: A064855 A088504 A189425 * A086261 A111978 A146558
Adjacent sequences: A074028 A074029 A074030 * A074032 A074033 A074034
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KEYWORD
| nice,more,nonn
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AUTHOR
| Frank Ruskey, Nate Kube (ruskey(AT)cs.uvic.ca), Aug 26 2002
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EXTENSIONS
| More terms from Ruskey's website - Joerg Arndt, Jan 16 2011
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