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A068815
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Primes with a 4 followed by 1's.
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0
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OFFSET
| 1,1
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COMMENTS
| The next term a(6) has 109 digits and is too large to be displayed here.
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PROG
| (PARI) for(n=1, 200, if(isprime(4*10^n+(10^(n)-1)/9)==1, print1(4*10^n+(10^(n)-1)/9, ", ")))
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CROSSREFS
| See A056706 for the corresponding values of n.
Sequence in context: A193124 A167246 A107690 * A093174 A159992 A101830
Adjacent sequences: A068812 A068813 A068814 * A068816 A068817 A068818
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KEYWORD
| nonn,base
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 07 2002
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EXTENSIONS
| More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 09 2002
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