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A101899
Column 2 of triangular matrix A101897, in which column k equals column 0 of A101897^(k+1) and where the n-th row sums are zero for n>0.
4
1, -3, 9, -33, 145, -753, 4535, -31185, 241621, -2085977, 19878575, -207435465, 2354040401, -28879390741, 381015862819, -5381312495493, 81032586154861, -1296239101205321, 21956075917991823, -392643158131057189, 7393747486434743561, -146254142534490299853
OFFSET
0,2
COMMENTS
Also equals column 0 of the matrix cube of A101897.
CROSSREFS
KEYWORD
sign
AUTHOR
Paul D. Hanna, Dec 20 2004
STATUS
approved