cp's OEIS Frontend

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.

A067284 a(n) = number of integers k such that k is not of the form m + reverse(m) for any m (cf. A067031) and A067030(n) occurs in the 'Reverse and Add' trajectory of k.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 2
12 3
13 5
14 5
15 8
16 7
17 12
18 9
19 1
20 13
21 21
22 14
23 1
24 6
25 11
26 1
27 4
28 14
29 1
30 2
31 9
32 1
33 2
34 1
35 2
36 1
37 22
38 1
39 2
40 1
41 2
42 2
43 3
44 2
45 3
46 2
47 3
48 2
49 16
50 2
51 3
52 3
53 5
54 3
55 4
56 3
57 5
58 3
59 4
60 3
61 30
62 4
63 6
64 5
65 5
66 4
67 6
68 5
69 5
70 4
71 6
72 15
73 8
74 6
75 6
76 5
77 8
78 6
79 6
80 5
81 8
82 6
83 9
84 24
85 7
86 6
87 9
88 8
89 7
90 6
91 9
92 7
93 12
94 9
95 8
96 20

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 5, 5, 8, 7, 12, 9, 1, 13, 21, 14, 1, 6, 11, 1, 4, 14, 1, 2, 9, 1, 2, 1, 2, 1, 22, 1, 2, 1, 2, 2, 3, 2, 3, 2, 3, 2, 16, 2, 3, 3, 5, 3, 4, 3, 5, 3, 4, 3, 30, 4, 6, 5, 5, 4, 6, 5, 5, 4, 6, 15, 8, 6, 6, 5, 8, 6, 6, 5, 8, 6, 9, 24, 7, 6, 9, 8, 7, 6, 9, 7, 12, 9, 8, 20]