A138896 - cp's OEIS frontend

A138896 Ratio of (2n-1)! to number of zeros in Sylvester matrix of polynomial of n degree with all nonzero coefficients.

n	a(n)
2	3
3	15
4	280
5	11340
6	798336
7	86486400
8	13343616000
9	2778808032000
10	750895681536000
11	255454710858547200
12	106826515449937920000
13	53858368206010368000000
14	32215590089995124736000000
15	22555515290152300904448000000
16	18272974787062050706056806400000
17	16959604724241965811558973440000000

[3, 15, 280, 11340, 798336, 86486400, 13343616000, 2778808032000, 750895681536000, 255454710858547200, 106826515449937920000, 53858368206010368000000, 32215590089995124736000000, 22555515290152300904448000000, 18272974787062050706056806400000, 16959604724241965811558973440000000]

cp's OEIS Frontend

A138896 Ratio of (2n-1)! to number of zeros in Sylvester matrix of polynomial of n degree with all nonzero coefficients.

Table of values

List of values