A145634 - cp's OEIS frontend

A145634 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=13.

n	a(n)
1	2
2	12
3	20
4	280
5	2520
6	27720
7	27720
8	11088
9	62832
10	5969040
11	1989680
12	137287920
13	686439600
14	882565200
15	25594390800
16	1586852229600
17	1586852229600
18	11107965607200
19	410994727466400
20	410994727466400
21	16850783826122400

[2, 12, 20, 280, 2520, 27720, 27720, 11088, 62832, 5969040, 1989680, 137287920, 686439600, 882565200, 25594390800, 1586852229600, 1586852229600, 11107965607200, 410994727466400, 410994727466400, 16850783826122400]

cp's OEIS Frontend

A145634 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=13.

Table of values

List of values