A090526 Primes arising in A090525, or 0 if A090525(n) = 0.
2, 13, 23, 347, 4241, 41177, 1677721, 9224297, 769230769, 17831979413, 156422814881, 43267872370321, 317485909301657, 10680338789777057, 348051774975651917, 23635436053895336119, 230095953656704898101
Offset: 2
Keywords
Links
- Robert Israel, Table of n, a(n) for n = 2..386
Programs
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Maple
f:= proc(n) local t,k,s; t:= n^n; for k from 2 do s:= floor(t/k); if isprime(s) then return s fi od end proc: map(f, [$2..100]); # Robert Israel, Mar 02 2023
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Mathematica
Do[p = n^n; i = 2; While[ !PrimeQ[Floor[p/i]], i++ ]; Print[Floor[p/i]], {n, 2, 30}] (* Ryan Propper, Aug 02 2005 *)
Formula
a(n) = floor(n^n/A090525(n)). - Robert Israel, Mar 02 2023
Extensions
More terms from Ryan Propper, Aug 02 2005
Offset corrected by Robert Israel, Mar 02 2023
Comments