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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.

A005645 Number of sensed 3-connected planar maps with n edges.

Table of values

n a(n)
6 1
7 0
8 1
9 2
10 3
11 4
12 15
13 32
14 89
15 266
16 797
17 2496
18 8012
19 26028
20 85888
21 286608
22 965216
23 3278776
24 11221548
25 38665192
26 134050521
27 467382224
28 1638080277
29 5768886048
30 20407622631
31 72494277840
32 258527335373
33 925322077852
34 3323258053528
35 11973883092034
36 43273374700200
37 156836969693756
38 569967330200576
39 2076647113454878
40 7584534277720818
41 27764845224462192
42 101862027752012402
43 374484866509396780
44 1379489908513460150

List of values

[1, 0, 1, 2, 3, 4, 15, 32, 89, 266, 797, 2496, 8012, 26028, 85888, 286608, 965216, 3278776, 11221548, 38665192, 134050521, 467382224, 1638080277, 5768886048, 20407622631, 72494277840, 258527335373, 925322077852, 3323258053528, 11973883092034, 43273374700200, 156836969693756, 569967330200576, 2076647113454878, 7584534277720818, 27764845224462192, 101862027752012402, 374484866509396780, 1379489908513460150]

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

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