cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A136203 Derived Shabat linear tree transform of A053120: Triangle of coefficients of transformed Chebyshev's T(n, x) polynomials (powers of x in increasing order) T(x,n)->c*T(c*x+d)+d: c=-1;d=1; as substitution: 1-x->y( here alternative starting polynomial of Q(y,1]=1-y.

Table of values

n a(n)
1 1
2 1
3 -1
4 1
5 -2
6 2
7 1
8 -3
9 8
10 -4
11 1
12 -4
13 20
14 -24
15 8
16 1
17 -5
18 40
19 -84
20 64
21 -16
22 1
23 -6
24 70
25 -224
26 288
27 -160
28 32
29 1
30 -7
31 112
32 -504
33 960
34 -880
35 384
36 -64
37 1
38 -8
39 168
40 -1008
41 2640
42 -3520
43 2496
44 -896
45 128
46 1
47 -9
48 240
49 -1848
50 6336
51 -11440
52 11648
53 -6720
54 2048
55 -256
56 1
57 -10
58 330
59 -3168
60 13728
61 -32032
62 43680
63 -35840
64 17408

List of values

[1, 1, -1, 1, -2, 2, 1, -3, 8, -4, 1, -4, 20, -24, 8, 1, -5, 40, -84, 64, -16, 1, -6, 70, -224, 288, -160, 32, 1, -7, 112, -504, 960, -880, 384, -64, 1, -8, 168, -1008, 2640, -3520, 2496, -896, 128, 1, -9, 240, -1848, 6336, -11440, 11648, -6720, 2048, -256, 1, -10, 330, -3168, 13728, -32032, 43680, -35840, 17408]