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A055625
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First prime starting a chain of exactly n consecutive primes congruent to 1 modulo 6.
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2
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7, 31, 151, 3049, 7351, 1741, 19471, 118801, 498259, 148531, 406951, 2513803, 2339041, 89089369, 51662593, 73451737, 232301497, 450988159, 1558562197, 2506152301, 1444257673, 28265029657, 24061965043, 87996684091, 43553959717
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The term "exactly" means that before the first and after the last primes of chain, the immediate primes are not congruent to 1 modulo 6.
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LINKS
| J. K. Andersen, Consecutive Congruent Primes.
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PROG
| See link in A085515.
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CROSSREFS
| Cf. A055623, A055624, A055626, A085515.
Sequence in context: A121517 A199216 A057620 * A102239 A188233 A172634
Adjacent sequences: A055622 A055623 A055624 * A055626 A055627 A055628
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jun 05 2000
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EXTENSIONS
| Corrected and extended by Reiner Martin (reinermartin(AT)hotmail.com), May 19 2001
More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Jul 31 2003
a(20)>2^31, a(21)=1444257673. - Hugo Pfoertner (hugo(AT)pfoertner.org), Jul 31 2003
More terms from Jens Kruse Andersen (jens.k.a(AT)get2net.dk), May 30 2006
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 27 2006
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