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A145309
Numbers x such that there exists n in N : (x+1)^3-x^3=79*n^2.
2
97, 44489542, 20300667221737, 9263235054568775182, 4226832681849540586103377, 1928712206384045833465574584822, 880075237193226049220159073617573017
OFFSET
1,1
FORMULA
a(n) = 456302*a(n-1) - a(n-2) + 228150.
G.f.: x*(98*x^2-228151*x-97)/((x-1)*(x^2-456302*x+1)). - Colin Barker, Aug 24 2012
EXAMPLE
a(1)=97 because the first relation is : 98^3-97^3=79*19^2.
CROSSREFS
Sequence in context: A209475 A186167 A322606 * A122128 A114430 A258765
KEYWORD
easy,nonn
AUTHOR
Richard Choulet, Oct 06 2008
STATUS
approved