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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.

A086423 Number of isolated-pentagon fullerenes with 2n vertices (or carbon atoms).

Table of values

n a(n)
30 1
31 0
32 0
33 0
34 0
35 1
36 1
37 1
38 3
39 6
40 9
41 12
42 34
43 33
44 56
45 78
46 161
47 252
48 349
49 483
50 862
51 1179
52 1606
53 2401
54 3502
55 4645
56 6568
57 8820
58 11997
59 16132
60 21326
61 27763
62 37313
63 46907
64 61069
65 78476
66 99343
67 124282
68 158258
69 196532
70 242126
71 301752
72 372498
73 449742

List of values

[1, 0, 0, 0, 0, 1, 1, 1, 3, 6, 9, 12, 34, 33, 56, 78, 161, 252, 349, 483, 862, 1179, 1606, 2401, 3502, 4645, 6568, 8820, 11997, 16132, 21326, 27763, 37313, 46907, 61069, 78476, 99343, 124282, 158258, 196532, 242126, 301752, 372498, 449742]

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

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