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.

A274884 Triangle read by rows, coefficients of q-polynomials representing the oscillating orbitals over n sectors as A274888(n) - 2*A274886(n), a q-analog of A232500.

Table of values

n a(n)
0 -1
1 -1
2 -1
3 1
4 -1
5 0
6 0
7 1
8 -1
9 1
10 0
11 1
12 1
13 -1
14 0
15 0
16 1
17 2
18 3
19 2
20 2
21 1
22 -1
23 1
24 0
25 1
26 1
27 3
28 1
29 2
30 1
31 1
32 -1
33 0
34 0
35 1
36 2
37 5
38 6
39 9
40 9
41 10
42 9
43 8
44 5
45 4
46 2
47 1
48 -1
49 1
50 0
51 1
52 1
53 3
54 3
55 5
56 4
57 5
58 5
59 5
60 3
61 3
62 2
63 1
64 1

List of values

[-1, -1, -1, 1, -1, 0, 0, 1, -1, 1, 0, 1, 1, -1, 0, 0, 1, 2, 3, 2, 2, 1, -1, 1, 0, 1, 1, 3, 1, 2, 1, 1, -1, 0, 0, 1, 2, 5, 6, 9, 9, 10, 9, 8, 5, 4, 2, 1, -1, 1, 0, 1, 1, 3, 3, 5, 4, 5, 5, 5, 3, 3, 2, 1, 1]