OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
239 is in the sequence because 239^2 + 1 = 2 * 13 ^ 4.
1985 is in the sequence because 1985^2 + 1 = 2 * 17 ^ 3 * 401.
MATHEMATICA
Select[Range[2, 2600], Max[Transpose[FactorInteger[#^2+1]][[2]]]>2&]
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Nov 02 2012
STATUS
approved