OFFSET
1,1
FORMULA
EXAMPLE
a(1)=20207 because 2^5+3^5+5^5+7^5=20207.
MATHEMATICA
a = 5; Table[Prime[n]^a + Prime[n + 1]^a + Prime[n + 2]^a + Prime[n + 3]^a, {n, 1, 100}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Sep 14 2007
STATUS
approved