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Search: id:A081888
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| A081888 |
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Least positive primitive root of n is larger than for all positive numbers smaller than n. |
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+0
2
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| 1, 3, 4, 6, 22, 118, 191, 362, 842, 2042, 2342, 3622, 16022, 29642, 66602, 110881, 143522, 535802, 5070662, 6252122, 6497402, 10219442, 69069002
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OFFSET
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1,2
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COMMENT
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A081889 gives the primitive roots itself. Difference to A002229, A002230: In consideration of all n having primitive roots. A002229, A002230 only primes.
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FORMULA
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Numbers 1, 2, 4, p^m and 2*p^m have primitive roots for odd primes p and m >=1 natural number.
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CROSSREFS
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Cf. A081889, A002229, A002230.
Sequence in context: A066732 A038520 A038521 this_sequence A019209 A019120 A066466
Adjacent sequences: A081885 A081886 A081887 this_sequence A081889 A081890 A081891
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KEYWORD
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easy,nonn
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AUTHOR
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Sven Simon (sven-h.simon(AT)t-online.de), Mar 30 2003
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