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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.

A319494 Triangle of the consecutive absolute differences between consecutive elements of the previous row, first row being the prime numbers (A000040), read by columns.

Table of values

n a(n)
1 2
2 1
3 3
4 1
5 2
6 1
7 5
8 0
9 1
10 2
11 2
12 1
13 7
14 2
15 2
16 1
17 4
18 0
19 2
20 1
21 11
22 2
23 0
24 2
25 1
26 2
27 0
28 0
29 2
30 1
31 13
32 2
33 0
34 0
35 2
36 1
37 4
38 0
39 0
40 0
41 0
42 1
43 17
44 2
45 0
46 0
47 2
48 0
49 1
50 2
51 0
52 0
53 2
54 0
55 0
56 1
57 19
58 2
59 0
60 2
61 2
62 0
63 0
64 1
65 4
66 0
67 2
68 0
69 0
70 0
71 0
72 1

List of values

[2, 1, 3, 1, 2, 1, 5, 0, 1, 2, 2, 1, 7, 2, 2, 1, 4, 0, 2, 1, 11, 2, 0, 2, 1, 2, 0, 0, 2, 1, 13, 2, 0, 0, 2, 1, 4, 0, 0, 0, 0, 1, 17, 2, 0, 0, 2, 0, 1, 2, 0, 0, 2, 0, 0, 1, 19, 2, 0, 2, 2, 0, 0, 1, 4, 0, 2, 0, 0, 0, 0, 1]

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

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