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1, 6, 4096, 531441, 100000000, 5159780352, 289254654976, 129746337890625, 72057594037927936, 6746640616477458432, 655360000000000000000, 630880792396715529789561, 705429498686404044207947776, 96479729228174488169059713024
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OFFSET
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1,2
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COMMENTS
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The n-th composite raised to the power m, where m = n-th nonprime.
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LINKS
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EXAMPLE
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a(1) = 4^0 = 1;
a(2) = 6^1 = 6;
a(3) = 8^4 = 4096;
a(4) = 9^6 = 531441;
a(5) = 10^8 = 100000000;
a(6) = 12^9 = 5159780352.
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MAPLE
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A002808 := proc(n) option remember; local a; if n = 1 then 4; else for a from procname(n-1)+1 do if not isprime(a) then RETURN(a) : fi; od: fi; end:
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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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