OFFSET
1,3
COMMENTS
Permanent of certain n X 2 Toeplitz-(1,-1) matrices.
LINKS
A. R. Kräuter, Über die Permanente gewisser zirkulärer Matrizen..., Sem. Loth. Combin. B11b (1984) 82-94
MAPLE
A097625 := proc(n) add((-2)^k*(n-k)!*binomial(2*n-k, k), k=0..n) ; end proc:
seq(A097625(n), n=1..30) ; # R. J. Mathar, Sep 18 2011
CROSSREFS
KEYWORD
sign
AUTHOR
Ralf Stephan, Sep 20 2004
STATUS
approved