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.

A345972 Numbers that are integer multiples of the count of active segments in their 7-segment-display form where '6', '7' and '9' use 6, 3 and 6 segments, respectively.

Table of values

n a(n)
1 0
2 4
3 5
4 6
5 16
6 18
7 21
8 40
9 45
10 54
11 60
12 72
13 81
14 96
15 110
16 130
17 132
18 143
19 154
20 156
21 176
22 180
23 182
24 195
25 196
26 224
27 225
28 238
29 240
30 255
31 256
32 273
33 306
34 312
35 320
36 336
37 341
38 384
39 400
40 405
41 408
42 420
43 442
44 444
45 450
46 451
47 465
48 481
49 495
50 496
51 518
52 525
53 540
54 555
55 572
56 592

List of values

[0, 4, 5, 6, 16, 18, 21, 40, 45, 54, 60, 72, 81, 96, 110, 130, 132, 143, 154, 156, 176, 180, 182, 195, 196, 224, 225, 238, 240, 255, 256, 273, 306, 312, 320, 336, 341, 384, 400, 405, 408, 420, 442, 444, 450, 451, 465, 481, 495, 496, 518, 525, 540, 555, 572, 592]

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

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