A145630 - cp's OEIS frontend

A145630 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=11.

n	a(n)
1	2
2	12
3	60
4	840
5	2520
6	2520
7	32760
8	65520
9	1113840
10	4232592
11	4232592
12	97349616
13	2433740400
14	7301221200
15	211735414800
16	13127595717600
17	13127595717600
18	13127595717600
19	485721041551200
20	485721041551200
21	19914562703599200

[2, 12, 60, 840, 2520, 2520, 32760, 65520, 1113840, 4232592, 4232592, 97349616, 2433740400, 7301221200, 211735414800, 13127595717600, 13127595717600, 13127595717600, 485721041551200, 485721041551200, 19914562703599200]

cp's OEIS Frontend

A145630 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=11.

Table of values

List of values