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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.

A133819 Triangle whose rows are sequences of increasing squares: 1; 1,4; 1,4,9; ... .

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 4
6 9
7 1
8 4
9 9
10 16
11 1
12 4
13 9
14 16
15 25
16 1
17 4
18 9
19 16
20 25
21 36
22 1
23 4
24 9
25 16
26 25
27 36
28 49
29 1
30 4
31 9
32 16
33 25
34 36
35 49
36 64
37 1
38 4
39 9
40 16
41 25
42 36
43 49
44 64
45 81
46 1
47 4
48 9
49 16
50 25
51 36
52 49
53 64
54 81
55 100
56 1
57 4
58 9
59 16
60 25
61 36
62 49
63 64
64 81
65 100
66 121
67 1
68 4
69 9
70 16
71 25
72 36
73 49
74 64
75 81
76 100
77 121
78 144

List of values

[1, 1, 4, 1, 4, 9, 1, 4, 9, 16, 1, 4, 9, 16, 25, 1, 4, 9, 16, 25, 36, 1, 4, 9, 16, 25, 36, 49, 1, 4, 9, 16, 25, 36, 49, 64, 1, 4, 9, 16, 25, 36, 49, 64, 81, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144]

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

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