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.

A280433 The mailbox manufacturer's problem, for the 2-mailbox case.

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 10
6 14
7 17
8 20
9 23
10 28
11 33
12 37
13 41
14 45
15 50
16 55
17 60
18 66
19 73
20 78
21 84
22 89
23 94
24 99
25 105
26 114
27 121
28 127
29 134
30 140
31 147
32 154
33 161
34 167
35 173
36 183
37 190
38 202
39 210
40 218
41 225
42 232
43 240
44 247
45 254
46 261
47 268
48 276
49 290
50 301
51 310
52 318
53 327
54 335
55 343
56 353
57 362
58 371
59 380
60 390
61 399
62 408
63 417
64 430
65 443
66 455
67 466
68 476
69 485
70 496
71 506

List of values

[1, 3, 5, 7, 10, 14, 17, 20, 23, 28, 33, 37, 41, 45, 50, 55, 60, 66, 73, 78, 84, 89, 94, 99, 105, 114, 121, 127, 134, 140, 147, 154, 161, 167, 173, 183, 190, 202, 210, 218, 225, 232, 240, 247, 254, 261, 268, 276, 290, 301, 310, 318, 327, 335, 343, 353, 362, 371, 380, 390, 399, 408, 417, 430, 443, 455, 466, 476, 485, 496, 506]