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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.

A199332 Triangle read by rows, where even numbered rows contain the nonsquares (cf. A000037) and odd rows contain replicated squares.

Table of values

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

List of values

[1, 2, 3, 4, 4, 4, 5, 6, 7, 8, 9, 9, 9, 9, 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 37, 38]

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

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