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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.

A357185 Numbers k such that the k-th composition in standard order has the same length as the absolute value of its alternating sum.

Table of values

n a(n)
1 0
2 1
3 9
4 12
5 19
6 22
7 28
8 34
9 40
10 69
11 74
12 84
13 97
14 104
15 132
16 135
17 141
18 144
19 153
20 177
21 195
22 198
23 204
24 216
25 225
26 240
27 265
28 271
29 274
30 283
31 286
32 292
33 307
34 310
35 316
36 321
37 328
38 355
39 358
40 364
41 376
42 386
43 400
44 451
45 454
46 460
47 472
48 496
49 520
50 523
51 526
52 533
53 538
54 544
55 553

List of values

[0, 1, 9, 12, 19, 22, 28, 34, 40, 69, 74, 84, 97, 104, 132, 135, 141, 144, 153, 177, 195, 198, 204, 216, 225, 240, 265, 271, 274, 283, 286, 292, 307, 310, 316, 321, 328, 355, 358, 364, 376, 386, 400, 451, 454, 460, 472, 496, 520, 523, 526, 533, 538, 544, 553]

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

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