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.

A144458 Two sequence determinant triangle sequence: a(n)=A000045(n); b(n)=b(n-1)+b(n-2)+b(n-3) :2 start;A141036(n); t(n,m)=t(n,m)=a(m)*b(n)-b(m)*a(n).

Table of values

n a(n)
1 -2
2 -2
3 0
4 -4
5 2
6 2
7 -6
8 3
9 3
10 0
11 -10
12 6
13 6
14 2
15 3
16 -16
17 13
18 13
19 10
20 15
21 17
22 -26
23 25
24 25
25 24
26 36
27 47
28 31
29 -42
30 49
31 49
32 56
33 84
34 119
35 119
36 112
37 -68
38 95
39 95
40 122
41 183
42 271
43 318
44 385
45 329
46 -110
47 182
48 182
49 254
50 381
51 580
52 741
53 991
54 1127
55 963

List of values

[-2, -2, 0, -4, 2, 2, -6, 3, 3, 0, -10, 6, 6, 2, 3, -16, 13, 13, 10, 15, 17, -26, 25, 25, 24, 36, 47, 31, -42, 49, 49, 56, 84, 119, 119, 112, -68, 95, 95, 122, 183, 271, 318, 385, 329, -110, 182, 182, 254, 381, 580, 741, 991, 1127, 963]