login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A119525
Determinant of n X n matrix of first n^2 nonzero terms of A000332 binomial coefficients binomial(n,4).
0
1, -40, -8505, 9765625, 0
OFFSET
1,2
COMMENTS
a(5) = 5^10.
EXAMPLE
a(3) = -8505 =
|..1...5..15|
|.35..70.126|
|210.330.495|.
a(4) = 0 because of the singular matrix 0 =
|.1...3...6..10|
|15..21..28..36|
|45..55..66..78|
|91.105.120.136|.
CROSSREFS
Sequence in context: A183766 A364517 A184892 * A309553 A123381 A210347
KEYWORD
easy,sign
AUTHOR
Jonathan Vos Post, May 27 2006
STATUS
approved