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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.

A108783 Positions of 1's in A083952, where A083952 gives the integer coefficients a(n) of A(x), where a(n) = 1 or 2 for all n, such that A(x)^(1/2) has only integer coefficients.

Table of values

n a(n)
1 0
2 2
3 6
4 10
5 12
6 26
7 30
8 32
9 36
10 50
11 52
12 56
13 60
14 62
15 126
16 130
17 132
18 136
19 150
20 152
21 160
22 164
23 166
24 170
25 172
26 174
27 176
28 180
29 184
30 192
31 194
32 198
33 200
34 202
35 214
36 216
37 220
38 226
39 228
40 230
41 234
42 236
43 240
44 242
45 244
46 260
47 262
48 264
49 272
50 274
51 278
52 282
53 286

List of values

[0, 2, 6, 10, 12, 26, 30, 32, 36, 50, 52, 56, 60, 62, 126, 130, 132, 136, 150, 152, 160, 164, 166, 170, 172, 174, 176, 180, 184, 192, 194, 198, 200, 202, 214, 216, 220, 226, 228, 230, 234, 236, 240, 242, 244, 260, 262, 264, 272, 274, 278, 282, 286]

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

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