OFFSET
1,1
COMMENTS
Each term in the sequence is in the form p1 = p2^3 + p3^3 + 1, where p1, p2 and p3 are all prime numbers.
There are 190 terms in the sequence < 10^7; a(190) = 137^3 + 193^3 + 1 = 9760411.
LINKS
Christian N. K. Anderson, Table of n, a(n) for n = 1..5000
EXAMPLE
41959 is in the sequence because 41959 = 23^3 + 31^3 +1, and 41959, 23, and 31 are all prime numbers.
CROSSREFS
KEYWORD
nonn
AUTHOR
Kevin L. Schwartz and Christian N. K. Anderson, Mar 21 2013
STATUS
approved