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.

A345911 Numbers k such that the k-th composition in standard order (row k of A066099) has reverse-alternating sum 1.

Table of values

n a(n)
1 1
2 6
3 7
4 20
5 21
6 26
7 27
8 30
9 31
10 72
11 73
12 82
13 83
14 86
15 87
16 92
17 93
18 100
19 101
20 106
21 107
22 110
23 111
24 116
25 117
26 122
27 123
28 126
29 127
30 272
31 273
32 290
33 291
34 294
35 295
36 300
37 301
38 312
39 313
40 324
41 325
42 330
43 331
44 334
45 335
46 340
47 341
48 346
49 347
50 350
51 351
52 360
53 361
54 370
55 371
56 374

List of values

[1, 6, 7, 20, 21, 26, 27, 30, 31, 72, 73, 82, 83, 86, 87, 92, 93, 100, 101, 106, 107, 110, 111, 116, 117, 122, 123, 126, 127, 272, 273, 290, 291, 294, 295, 300, 301, 312, 313, 324, 325, 330, 331, 334, 335, 340, 341, 346, 347, 350, 351, 360, 361, 370, 371, 374]

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

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