A127673 - cp's OEIS frontend

A127673 One half of even powers of 2*x in terms of Chebyshev's T-polynomials.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	3
6	1
7	6
8	15
9	10
10	1
11	8
12	28
13	56
14	35
15	1
16	10
17	45
18	120
19	210
20	126
21	1
22	12
23	66
24	220
25	495
26	792
27	462
28	1
29	14
30	91
31	364
32	1001
33	2002
34	3003
35	1716
36	1
37	16
38	120
39	560
40	1820
41	4368
42	8008
43	11440
44	6435
45	1
46	18
47	153
48	816
49	3060
50	8568
51	18564
52	31824
53	43758
54	24310
55	1
56	20
57	190

[1, 1, 1, 1, 4, 3, 1, 6, 15, 10, 1, 8, 28, 56, 35, 1, 10, 45, 120, 210, 126, 1, 12, 66, 220, 495, 792, 462, 1, 14, 91, 364, 1001, 2002, 3003, 1716, 1, 16, 120, 560, 1820, 4368, 8008, 11440, 6435, 1, 18, 153, 816, 3060, 8568, 18564, 31824, 43758, 24310, 1, 20, 190]

cp's OEIS Frontend

A127673 One half of even powers of 2*x in terms of Chebyshev's T-polynomials.

Table of values

List of values