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.

A193405 The Matula numbers of the rooted trees that have a perfect matching.

Table of values

n a(n)
1 2
2 5
3 6
4 15
5 18
6 22
7 23
8 26
9 31
10 41
11 45
12 54
13 55
14 65
15 66
16 69
17 78
18 93
19 94
20 103
21 122
22 123
23 135
24 137
25 158
26 162
27 165
28 166
29 167
30 195
31 198
32 202
33 207
34 211
35 234
36 235
37 242
38 253
39 254
40 279
41 282
42 283
43 286
44 299
45 305
46 309
47 338
48 341
49 358
50 366
51 369
52 394
53 395
54 401
55 403
56 405
57 411
58 415
59 419
60 431
61 451
62 474
63 486
64 495
65 498

List of values

[2, 5, 6, 15, 18, 22, 23, 26, 31, 41, 45, 54, 55, 65, 66, 69, 78, 93, 94, 103, 122, 123, 135, 137, 158, 162, 165, 166, 167, 195, 198, 202, 207, 211, 234, 235, 242, 253, 254, 279, 282, 283, 286, 299, 305, 309, 338, 341, 358, 366, 369, 394, 395, 401, 403, 405, 411, 415, 419, 431, 451, 474, 486, 495, 498]

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

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