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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.

A162619 Triangle read by rows in which row n lists n consecutive natural numbers A000027, starting with A014689(n) = A000040(n)-n.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 3
6 4
7 3
8 4
9 5
10 6
11 6
12 7
13 8
14 9
15 10
16 7
17 8
18 9
19 10
20 11
21 12
22 10
23 11
24 12
25 13
26 14
27 15
28 16
29 11
30 12
31 13
32 14
33 15
34 16
35 17
36 18
37 14
38 15
39 16
40 17
41 18
42 19
43 20
44 21
45 22
46 19
47 20
48 21
49 22
50 23
51 24
52 25
53 26
54 27
55 28
56 20
57 21
58 22
59 23
60 24
61 25
62 26
63 27
64 28
65 29
66 30
67 25
68 26
69 27
70 28
71 29
72 30
73 31
74 32
75 33

List of values

[1, 1, 2, 2, 3, 4, 3, 4, 5, 6, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 10, 11, 12, 13, 14, 15, 16, 11, 12, 13, 14, 15, 16, 17, 18, 14, 15, 16, 17, 18, 19, 20, 21, 22, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 25, 26, 27, 28, 29, 30, 31, 32, 33]

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

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