OFFSET
1,2
FORMULA
(2*n^6+6*n^5+5*n^4-n^2+6)/6 is prime.
EXAMPLE
Sum(k=1,2,2k^5)+1 = 2*1^5+2*2^5 + 1 = 67 is a prime so 2 belongs to the sequence.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Yalcin Aktar, Jul 28 2003
EXTENSIONS
More terms from Ray Chandler, Aug 07 2003
STATUS
approved