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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.

A257796 Smallest value of the loop in which n ends, when iterating the map (A257588) which sends a number to absolute value of first digit squared minus second digit squared plus third digit squared etc.

Table of values

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

List of values

[1, 16, 9, 16, 9, 9, 0, 16, 9, 1, 0, 9, 16, 9, 9, 16, 48, 9, 16, 16, 9, 0, 9, 9, 9, 9, 9, 9, 0, 9, 16, 9, 0, 0, 16, 9, 16, 0, 9, 16, 9, 9, 0, 0, 9, 16, 0, 48, 0, 9, 9, 9, 16, 9, 0, 0, 9, 9, 0, 9, 16, 9, 9, 16, 0, 0, 16, 9, 9, 0]

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