A145632 - cp's OEIS frontend

A145632 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=12.

n	a(n)
1	1
2	1
3	5
4	70
5	7
6	77
7	1001
8	20020
9	255255
10	1616615
11	1616615
12	74364290
13	185910725
14	79676025
15	770201575
16	191009990600
17	2170568075
18	45581929575
19	562177131425
20	1124354262850
21	3292751769775
22	1557471587103575
23	1557471587103575

[1, 1, 5, 70, 7, 77, 1001, 20020, 255255, 1616615, 1616615, 74364290, 185910725, 79676025, 770201575, 191009990600, 2170568075, 45581929575, 562177131425, 1124354262850, 3292751769775, 1557471587103575, 1557471587103575]

cp's OEIS Frontend

A145632 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=12.

Table of values

List of values