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%I #16 Sep 08 2022 08:46:09
%S 0,2,2,5,10,10,5,12,7,25,10,17,26,18,7,29,37,57,7,38,10,22,49,74,7,53,
%T 65,49,90,17,105,53,50,130,47,44,53,41,158,120,68,126,93,37,71,156,96,
%U 125,137,133,47,129,142,181,141,138,173,79,274,0,67,54,178,11
%N (n^4+1) mod prime(n).
%C Let p be a prime: n^4+1 == 0 (mod p) if p = 2 or p == 1 (mod 8).
%H Vincenzo Librandi, <a href="/A246864/b246864.txt">Table of n, a(n) for n = 1..1000</a>
%t Table[Mod[n^4 + 1, Prime[n]], {n, 70}]
%o (Magma) [(n^4+1) mod NthPrime(n): n in [1..70]];
%o (PARI) a(n)=(n^4+1)%prime(n) \\ _Edward Jiang_, Sep 05 2014
%Y Cf. A000040.
%K nonn
%O 1,2
%A _Vincenzo Librandi_, Sep 05 2014
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