OFFSET
1,2
COMMENTS
Numbers n such that A109789(n) is prime. For n > 1, a(n) is even.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..1000
EXAMPLE
72 is a term since Sum_{i=1..72} prime(i^3) = 94154923 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Chai Wah Wu, Apr 17 2021
STATUS
approved