OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
EXAMPLE
8 is in the sequence because 8^2+1 = 5*13 and 9^2+1 = 2*41 => 13 < 41.
MATHEMATICA
f[n_]:=FactorInteger[n^2+1][[-1, 1]]; Select[Range[125], f[#]<f[#+1]&]
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Jan 23 2012
STATUS
approved