A145624 - cp's OEIS frontend

A145624 Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=8.

n	a(n)
1	1
2	3
3	15
4	105
5	315
6	3465
7	45045
8	18018
9	153153
10	14549535
11	14549535
12	334639305
13	1673196525
14	5019589575
15	145568097675
16	18050444111700
17	265447707525
18	265447707525
19	9821565178425
20	9821565178425
21	57526310330775

[1, 3, 15, 105, 315, 3465, 45045, 18018, 153153, 14549535, 14549535, 334639305, 1673196525, 5019589575, 145568097675, 18050444111700, 265447707525, 265447707525, 9821565178425, 9821565178425, 57526310330775]

cp's OEIS Frontend

A145624 Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=8.

Table of values

List of values