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Search: id:A158400
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| A158400 |
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Primes of the form (n+1)^n-n^(n-1) |
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+0
1
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| 7, 7151, 109873, 956953279, 3497141354765072424170242943188801
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Next term too large to be included (1652 digits)
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EXAMPLE
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3^2-2^1=9-2=7
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MAPLE
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P:=proc(i) local a, n; for n from 2 by 1 to i do a:=n^(n-1)-(n-1)^(n-2); if isprime(a) then print(a); fi; od; end: P(2000);
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CROSSREFS
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Sequence in context: A125036 A098803 A068575 this_sequence A119528 A116266 A023344
Adjacent sequences: A158397 A158398 A158399 this_sequence A158401 A158402 A158403
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KEYWORD
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easy,nonn
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AUTHOR
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Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Mar 18 2009
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