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A157379
Triangle read by rows: k X k determinants at the n-th row of A126988 without the first column of ones.
1
1, 2, 1, 3, -3, 1, 4, 6, 0, 1, 5, -10, -10, -5, 1, 6, 15, -20, 15, -6, 1, 7, -21, 0, 0, -21, -7, 1, 8, 28, 56, 0, 0, 0, 0, 1, 9, -36, 84, 126, 126, 0, 0, 0, 1, 10, 45, 0, -210, 252, -210, 0, 0, -10, 1, 11, -55, -165, 330, 0, 0, 330, 165, -55, -11, 1, 12, 66, -220, -495, 0, 0, 792
OFFSET
1,2
EXAMPLE
Table begins:
1;
2, 1;
3, -3, 1;
4, 6, 0, 1;
5, -10, -10, -5, 1;
6, 15, -20, 15, -6, 1;
7, -21, 0, 0, -21, -7, 1;
8, 28, 56, 0, 0, 0, 0, 1;
9, -36, 84, 126, 126, 0, 0, 0, 1;
10, 45, 0, -210, 252, -210, 0, 0, -10, 1;
CROSSREFS
Cf. A157283.
Sequence in context: A177888 A073020 A090349 * A212139 A093430 A074659
KEYWORD
sign,tabl
AUTHOR
STATUS
approved