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A093865
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a(1) = 2, a(n) = least prime > a(n-1)^n.
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0
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OFFSET
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1,1
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COMMENTS
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a(6) has 253 digits and is too large to include. - Emeric Deutsch, Feb 04 2006
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LINKS
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EXAMPLE
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a(3)=127 because a(2)^3=125 and the least prime greater than 125 is 127.
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MAPLE
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a:= proc(n) option remember; if n=1 then 2 else nextprime(a(n-1)^n) fi end: seq(a(n), n=1..6); # Emeric Deutsch, Feb 04 2006
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MATHEMATICA
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nxt[{n_, a_}]:={n+1, NextPrime[a^(n+1)]}; NestList[nxt, {1, 2}, 5][[All, 2]] (* Harvey P. Dale, Nov 15 2018 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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