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A084739
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Let p = n-th prime, then a(n) = smallest prime having p as its least prime primitive root.
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4
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3, 7, 23, 41, 109, 457, 311, 191, 2137, 409, 1021, 1031, 1811, 271, 14293, 2791, 55441, 35911, 57991, 221101, 23911, 11971, 110881, 103091, 71761, 513991, 290041, 31771, 448141, 2447761, 674701, 3248701, 2831011, 690541, 190321, 2080597, 4076641
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Smallest prime p such that A002233(p) = prime(n).
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REFERENCES
| Paszkiewicz, A. and Schinzel, A., On the least prime primitive root modulo a prime, Math. Comp. 71 (2002), no. 239, 1307-1321.
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LINKS
| N. J. A. Sloane, Table of n, a(n) for n=1..97 (from the web page of Tomas Oliveira e Silva)
Tomas Oliveira e Silva, Least primitive root of prime numbers
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CROSSREFS
| Cf. A084735, A001918, A079061. For records see A133434.
Sequence in context: A133432 A133433 A029932 * A133434 A122870 A079477
Adjacent sequences: A084736 A084737 A084738 * A084740 A084741 A084742
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jul 03 2003
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EXTENSIONS
| More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com) and Don Reble (djr(AT)nk.ca), Jul 03 2003
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