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A108119
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Numbers n such that prime(n) and prime(n+1) are congruent to 1 mod 10.
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0
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42, 53, 82, 115, 125, 141, 172, 177, 193, 233, 279, 369, 399, 431, 474, 500, 575, 580, 585, 650, 651, 672, 708, 737, 751, 760, 795, 798, 820, 841, 842, 863, 873, 933, 1019, 1031, 1099, 1112, 1166, 1178, 1225, 1245, 1266, 1312, 1352, 1436, 1463, 1479, 1505
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| Prime(42)=181, prime(43)=191. This is the first pair of successive primes both ending by 1.
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MATHEMATICA
| ra=Range[2000]; cnd=Mod[Prime[ # ], 10]==Mod[Prime[ #+1], 10]==1&; se=Select[ra, cnd]
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CROSSREFS
| Sequence in context: A186456 A181647 A105346 * A175103 A116262 A156394
Adjacent sequences: A108116 A108117 A108118 * A108120 A108121 A108122
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KEYWORD
| nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Jun 04 2005
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