OFFSET
1,1
COMMENTS
A227481(a(n)) > 1. - Reinhard Zumkeller, Oct 11 2013
Does a(n)/n converge to some limit? - Benoit Cloitre, Oct 18 2009
For n = {52000, 72000, 100000}, n/a(n) = {0.499, 0.50175, 0.50428}. - Alex Ratushnyak, Jan 17 2019
REFERENCES
Wacław Sierpiński, Pythagorean triangles, Dover books. [Benoit Cloitre, Oct 17 2009]
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..1000
PROG
(Haskell)
a009023 n = a009023_list !! (n-1)
a009023_list = filter ((> 1) . a227481) [1..]
-- Reinhard Zumkeller, Oct 11 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved