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.

A057547 A014486-encodings of Catalan mountain ranges with no sea-level valleys, i.e., the rooted plane general trees with root degree = 1.

Table of values

n a(n)
0 2
1 12
2 52
3 56
4 212
5 216
6 228
7 232
8 240
9 852
10 856
11 868
12 872
13 880
14 916
15 920
16 932
17 936
18 944
19 964
20 968
21 976
22 992
23 3412
24 3416
25 3428
26 3432
27 3440
28 3476
29 3480
30 3492
31 3496
32 3504
33 3524
34 3528
35 3536
36 3552
37 3668
38 3672
39 3684
40 3688
41 3696
42 3732
43 3736
44 3748
45 3752
46 3760

List of values

[2, 12, 52, 56, 212, 216, 228, 232, 240, 852, 856, 868, 872, 880, 916, 920, 932, 936, 944, 964, 968, 976, 992, 3412, 3416, 3428, 3432, 3440, 3476, 3480, 3492, 3496, 3504, 3524, 3528, 3536, 3552, 3668, 3672, 3684, 3688, 3696, 3732, 3736, 3748, 3752, 3760]

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

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