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.

A043506 Numbers having two 4's in base 10.

Table of values

n a(n)
1 44
2 144
3 244
4 344
5 404
6 414
7 424
8 434
9 440
10 441
11 442
12 443
13 445
14 446
15 447
16 448
17 449
18 454
19 464
20 474
21 484
22 494
23 544
24 644
25 744
26 844
27 944
28 1044
29 1144
30 1244
31 1344
32 1404
33 1414
34 1424
35 1434
36 1440
37 1441
38 1442
39 1443
40 1445
41 1446
42 1447
43 1448

List of values

[44, 144, 244, 344, 404, 414, 424, 434, 440, 441, 442, 443, 445, 446, 447, 448, 449, 454, 464, 474, 484, 494, 544, 644, 744, 844, 944, 1044, 1144, 1244, 1344, 1404, 1414, 1424, 1434, 1440, 1441, 1442, 1443, 1445, 1446, 1447, 1448]

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

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