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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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n+2) = 456302*a(n+1)-a(n)+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

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Last modified March 3 04:18 EST 2024. Contains 370499 sequences. (Running on oeis4.)