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.

A249506 Inverse permutation to A249494 (= permutation of the positive integers such that the parity of the first digit of a(n+1) equals that of a(n)'s last digit).

Table of values

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

List of values

[1, 7, 2, 8, 3, 9, 4, 10, 5, 6, 13, 14, 17, 18, 21, 22, 25, 26, 29, 11, 12, 15, 16, 19, 20, 23, 24, 27, 28, 30, 33, 34, 37, 38, 41, 42, 45, 46, 49, 31, 32, 35, 36, 39, 40, 43, 44, 47, 48, 50, 53, 54, 57, 58, 61, 62, 65, 66, 69, 51, 52, 55, 56, 59, 60, 63, 64, 67, 68, 70, 73, 74, 77, 78, 81, 82, 85]