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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.

A240831 Sequence U(n) arising from analysis of structure of A240830.

Table of values

n a(n)
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 7
16 1
17 1
18 1
19 1
20 1
21 7
22 1
23 7
24 1
25 1
26 1
27 7
28 1
29 7
30 1
31 7
32 1
33 7
34 1
35 7
36 1
37 7
38 1
39 7
40 7
41 7
42 1
43 7
44 1
45 7
46 7
47 7
48 7
49 7
50 1
51 7
52 7
53 7
54 7
55 7
56 7
57 7
58 7
59 7
60 7
61 7
62 7
63 7
64 13
65 7
66 7
67 7
68 7
69 7
70 13
71 7
72 13
73 7
74 7
75 7
76 13
77 7
78 13
79 7
80 13
81 7
82 13
83 7
84 13
85 7
86 13
87 7
88 19
89 7
90 13
91 7
92 13
93 7
94 19
95 7
96 19
97 7
98 13
99 7
100 19

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 7, 1, 7, 1, 1, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 7, 7, 1, 7, 1, 7, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 13, 7, 7, 7, 7, 7, 13, 7, 13, 7, 7, 7, 13, 7, 13, 7, 13, 7, 13, 7, 13, 7, 13, 7, 19, 7, 13, 7, 13, 7, 19, 7, 19, 7, 13, 7, 19]

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

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