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 A102326 Primes p such that the largest prime divisor of p^4+1 is less than p. 3
 10181, 14051, 18979, 25253, 57173, 58013, 60101, 62497, 65951, 66541, 69457, 75931, 82241, 82261, 84229, 87721, 88339, 88819, 91499, 92333, 95917, 99523, 105557, 107747, 109229, 118493, 118927, 137339, 146291, 155399, 157019 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes in A309562. - Robert Israel, Aug 09 2019 LINKS Robert Israel, Table of n, a(n) for n = 1..1000 EXAMPLE p = 10181, 1+p^4 = 10743894862923122 = 2*17*1657*4657*5113*8009, so the largest prime factor is 8009 < p = 10181. MAPLE filter:= proc(p) max(numtheory:-factorset(p^4+1)) < p end proc: select(filter, [seq(ithprime(i), i=1..20000)]); # Robert Israel, Aug 09 2019 MATHEMATICA <

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Last modified March 30 19:10 EDT 2023. Contains 361622 sequences. (Running on oeis4.)