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Search: id:A079481
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| A079481 |
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Primes of the form p(n)*p(n+1)+[p(n)-1]!. |
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+0
1
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OFFSET
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1,1
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EXAMPLE
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Let p(n) be 5, therefore p(n+1)=7 and p(n)*p(n+1)=35. [p(n)-1)]!=4!=24. 35+24=59, which is prime.
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PROGRAM
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(PARI) forprime (p=3, 1000, if (isprime(p*nextprime(p+1)+(p-1)!), print1(p", ")))
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CROSSREFS
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Sequence in context: A062324 A153645 A106878 this_sequence A075571 A077133 A164642
Adjacent sequences: A079478 A079479 A079480 this_sequence A079482 A079483 A079484
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Jan 16 2003
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