A221648 - cp's OEIS frontend

A221648 Floor(integral_{n=0..infinity} (log(x) - log(1 + x^2))^n/(1 + x^2)^2 dx).

n	a(n)
0	0
1	-2
2	2
3	-7
4	24
5	-121
6	720
7	-5042
8	40324
9	-362893
10	3628841
11	-39916952
12	479002203
13	-6227023411
14	87178303368
15	-1307674428809
16	20922790212198
17	-355687429932747
18	6402373716747122
19	-121645100478614633
20	2432902008641837022
21	-51090942174965733088
22	1124000727801486784372

[0, -2, 2, -7, 24, -121, 720, -5042, 40324, -362893, 3628841, -39916952, 479002203, -6227023411, 87178303368, -1307674428809, 20922790212198, -355687429932747, 6402373716747122, -121645100478614633, 2432902008641837022, -51090942174965733088, 1124000727801486784372]

cp's OEIS Frontend

A221648 Floor(integral_{n=0..infinity} (log(x) - log(1 + x^2))^n/(1 + x^2)^2 dx).

Table of values

List of values