OFFSET
1,2
COMMENTS
REFERENCES
A. H. Beiler, Recreations in the Theory of Numbers. New York: Dover, 1966.
FORMULA
Empirical g.f.: 30*x^2*(x^2-9*x+1) / ((x^2-198*x+1)*(x^2-6*x+1)). - Colin Barker, Jul 26 2013
EXAMPLE
sqrt (T(3)T(4)T(5)) = 30
sqrt (T(24)T(25)T(26)) = 5850
sqrt (T(147)T(148)T(149)) = 1157730
sqrt (T(864)T(865)T(866)) = 229221540
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 13 2010, based on an email from Neven Juric, Mar 19 2010
STATUS
approved