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a(n) = ((n-th prime)^6-(n-th prime)^4)/8.
2

%I #7 Dec 29 2023 10:39:25

%S 6,81,1875,14406,219615,599781,3006756,5864445,18469506,74264505,

%T 110822520,320481531,593409810,789743031,1346791956,2769558831,

%U 5271052035,6438316065,11304778881,16009359030,18913228506,30381063180

%N a(n) = ((n-th prime)^6-(n-th prime)^4)/8.

%t a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^4)/8], {n, 1, 24}]; a

%o (PARI) forprime(p=2,1e3,print1((p^6-p^4)/8", ")) \\ _Charles R Greathouse IV_, Jul 15 2011

%K nonn,easy

%O 1,1

%A _Artur Jasinski_, Mar 22 2008