A076880 Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).

1, 2, 0, -2, 2, 0, -8, -16, 0, 16, -16, 0, 16, 32, 0, -32, -16, 0, 64, 128, 0, -512, 2048, 0, -8192, 8192, 0, -8192, 8192, 0, -8192, -16384, 0, 16384, 8192, 0, -8192, -16384, 0, 65536, -262144, 0, 1048576, -1048576, 0, 1048576, 524288, 0, -131072, 131072, 0, -32768, 8192, 0, -32768, -65536, 0, 262144

Offset

0,2

Links

Table of n, a(n) for n=0..57.

Formula

a(3k+2) = 0

Crossrefs

Sequence in context: A139137 A138231 A155100 * A082115 A161553 A366444

Adjacent sequences: A076877 A076878 A076879 * A076881 A076882 A076883

Keyword

sign

Author

Benoit Cloitre, Nov 25 2002

Status

approved