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.

A195673 Triangle T(n,k) read by rows: T(0,0)=-2, T(1,0)=3, T(1,1)=0 and T(n,k) = T(n-1,k)-T(n-2,k-2) otherwise.

Table of values

n a(n)
0 -2
1 3
2 0
3 3
4 0
5 2
6 3
7 0
8 -1
9 0
10 3
11 0
12 -4
13 0
14 -2
15 3
16 0
17 -7
18 0
19 -1
20 0
21 3
22 0
23 -10
24 0
25 3
26 0
27 2
28 3
29 0
30 -13
31 0
32 10
33 0
34 3
35 0
36 3
37 0
38 -16
39 0
40 20
41 0
42 0
43 0
44 -2
45 3
46 0
47 -19
48 0
49 33
50 0
51 -10
52 0
53 -5
54 0
55 3
56 0
57 -22
58 0
59 49
60 0
61 -30
62 0
63 -5
64 0
65 2
66 3
67 0
68 -25
69 0
70 68

List of values

[-2, 3, 0, 3, 0, 2, 3, 0, -1, 0, 3, 0, -4, 0, -2, 3, 0, -7, 0, -1, 0, 3, 0, -10, 0, 3, 0, 2, 3, 0, -13, 0, 10, 0, 3, 0, 3, 0, -16, 0, 20, 0, 0, 0, -2, 3, 0, -19, 0, 33, 0, -10, 0, -5, 0, 3, 0, -22, 0, 49, 0, -30, 0, -5, 0, 2, 3, 0, -25, 0, 68]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.