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A069704
Let M_2n be the 2n X 2n matrix M_(i,j)=C(2i,j)-C(2j,i) where C(k,l) denotes the binomial coefficients; then a(n)=det(M_2n).
0
9, 2401, 7139584, 7429060864, 8768304271322176, 55287838983612748529926144, 28712457542131501655125523112656896, 597353290725130889841630014909751870078582784
OFFSET
1,1
COMMENTS
det(M_{2n+1})=0
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Apr 21 2002
STATUS
approved