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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.

A087121 Take bounded lunar divisors of n as defined in A087028, add them using lunar addition. See A087082 for their conventional sum.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 19
11 19
12 19
13 19
14 19
15 19
16 19
17 19
18 19
19 19
20 29
21 29
22 29
23 29
24 29
25 29
26 29
27 29
28 29
29 29
30 39
31 39
32 39
33 39
34 39
35 39
36 39
37 39
38 39
39 39
40 49
41 49
42 49
43 49
44 49
45 49
46 49
47 49
48 49
49 49
50 59
51 59
52 59
53 59
54 59
55 59
56 59
57 59
58 59
59 59
60 69
61 69
62 69
63 69
64 69
65 69
66 69
67 69
68 69
69 69
70 79
71 79
72 79
73 79
74 79
75 79
76 79
77 79
78 79
79 79
80 89
81 89
82 89
83 89
84 89
85 89
86 89
87 89
88 89
89 89
90 99
91 99
92 99
93 99
94 99
95 99
96 99
97 99
98 99
99 99
100 199
101 109
102 109
103 109
104 109
105 109
106 109
107 109
108 109
109 109
110 199
111 199

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 199, 109, 109, 109, 109, 109, 109, 109, 109, 109, 199, 199]

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

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