OFFSET
1,1
COMMENTS
FORMULA
a(n) = A120492(Prime(n))/Prime(n). a(n) = (1 + Sum[ Prime[k]^(Prime[n]-1), {k,1,Prime[n]} ])/Prime[n].
MATHEMATICA
Table[(1 + Sum[ Prime[k]^(Prime[n]-1), {k, 1, Prime[n]} ])/Prime[n], {n, 1, 15}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexander Adamchuk, Feb 03 2007
STATUS
approved