A262186 a(n) = prime(n)^3 - n^3.
7, 19, 98, 279, 1206, 1981, 4570, 6347, 11438, 23389, 28460, 48925, 66724, 76763, 100448, 144781, 200466, 221149, 293904, 349911, 379756, 482391, 559620, 691145, 897048, 1012725, 1073044, 1203091, 1270640, 1415897, 2018592, 2215323
Offset: 1
Programs
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Magma
[NthPrime(n)^3 - n^3: n in [1..40]]; // Vincenzo Librandi, Sep 15 2015
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Mathematica
Array[Prime[#]^3 - #^3 &, {32}] (* Michael De Vlieger, Sep 14 2015 *) -
PARI
a(n) = prime(n)^3 - n^3; vector (30, n, a(n))
Comments