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Search: id:A075306
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| A075306 |
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Smallest number == 0 mod (n+1)-th prime and == 1 mod all smaller primes. |
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+0
3
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| 3, 25, 91, 2101, 23101, 60061, 510511, 29099071, 3792578791, 84106011991, 2005604901301, 252305096583541, 11561510014033981, 52331045326680121, 31359378912013061911, 1792403716245452460151, 98060777857864844592571
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(4) = 2101 == 0 mod 11 and 2101 == 1 mod (2*3*5*7)
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PROGRAM
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(PARI) for(n=1, 20, p=1:forprime(k=2, prime(n), p=p*k):pn=prime(n+1):s=0:while((s+1)%pn>0, s=s+p):print1(s+1", "))
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CROSSREFS
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Sequence in context: A083222 A041565 A114378 this_sequence A124245 A059457 A165206
Adjacent sequences: A075303 A075304 A075305 this_sequence A075307 A075308 A075309
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 13 2002
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EXTENSIONS
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More terms from Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 24 2003
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