A244420 - cp's OEIS frontend

A244420 Numerators of coefficient triangle for expansion of x^n in terms of polynomials Todd(k, x) = T(2*k+1, sqrt(x))/sqrt(x) (A084930), with the Chebyshev polynomials of the first kind (type T).

n	a(n)
0	1
1	3
2	1
3	5
4	5
5	1
6	35
7	21
8	7
9	1
10	63
11	21
12	9
13	9
14	1
15	231
16	165
17	165
18	55
19	11
20	1
21	429
22	1287
23	715
24	143
25	39
26	13
27	1
28	6435
29	5005
30	3003
31	1365
32	455
33	105
34	15
35	1
36	12155
37	2431
38	1547
39	1547
40	595
41	85
42	17
43	17
44	1
45	46189
46	37791
47	12597
48	6783
49	2907
50	969
51	969
52	171
53	19
54	1
55	88179
56	146965
57	101745
58	14535
59	6783
60	20349
61	5985
62	665
63	105
64	21
65	1

[1, 3, 1, 5, 5, 1, 35, 21, 7, 1, 63, 21, 9, 9, 1, 231, 165, 165, 55, 11, 1, 429, 1287, 715, 143, 39, 13, 1, 6435, 5005, 3003, 1365, 455, 105, 15, 1, 12155, 2431, 1547, 1547, 595, 85, 17, 17, 1, 46189, 37791, 12597, 6783, 2907, 969, 969, 171, 19, 1, 88179, 146965, 101745, 14535, 6783, 20349, 5985, 665, 105, 21, 1]

cp's OEIS Frontend

A244420 Numerators of coefficient triangle for expansion of x^n in terms of polynomials Todd(k, x) = T(2*k+1, sqrt(x))/sqrt(x) (A084930), with the Chebyshev polynomials of the first kind (type T).

Table of values

List of values