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.

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.

Links

Table of n, a(n) for n=0..21.

Crossrefs

Cf. A101897, A101898, A101900.

Sequence in context: A333889 A277395 A012584 * A180632 A279840 A009220

Adjacent sequences: A101896 A101897 A101898 * A101900 A101901 A101902

Keyword

sign

Author

Paul D. Hanna, Dec 20 2004

Status

approved