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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.

A123358 Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

Table of values

n a(n)
0 1
1 10
2 125
3 1625
4 21250
5 278125
6 3640625
7 47656250
8 623828125
9 8166015625
10 106894531250
11 1399267578125
12 18316650390625
13 239768066406250
14 3138604736328125
15 41084869384765625
16 537807922363281250
17 7039997100830078125
18 92154758453369140625
19 1206321449279785156250
20 15790952777862548828125
21 206706255435943603515625

List of values

[1, 10, 125, 1625, 21250, 278125, 3640625, 47656250, 623828125, 8166015625, 106894531250, 1399267578125, 18316650390625, 239768066406250, 3138604736328125, 41084869384765625, 537807922363281250, 7039997100830078125, 92154758453369140625, 1206321449279785156250, 15790952777862548828125, 206706255435943603515625]

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

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