A300485 - cp's OEIS frontend

A300485 a(n) = 2 * Integral_{t>=0} T_n((t-1)/2) * exp(-t) * dt, n>=0, where T_n(x) is n-th Chebyshev polynomial of first kind.

n	a(n)
0	2
1	0
2	-1
3	2
4	7
5	34
6	218
7	1574
8	12879
9	117938
10	1195479
11	13294412
12	160967522
13	2108289364
14	29703846535
15	447990339602
16	7201792686815
17	122938198060734
18	2220989581865882
19	42336203570931402
20	849191837620701239
21	17879821236086808098

[2, 0, -1, 2, 7, 34, 218, 1574, 12879, 117938, 1195479, 13294412, 160967522, 2108289364, 29703846535, 447990339602, 7201792686815, 122938198060734, 2220989581865882, 42336203570931402, 849191837620701239, 17879821236086808098]

cp's OEIS Frontend

A300485 a(n) = 2 * Integral_{t>=0} T_n((t-1)/2) * exp(-t) * dt, n>=0, where T_n(x) is n-th Chebyshev polynomial of first kind.

Table of values

List of values