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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.

A367448 Number of chordal graphs on n vertices with a fixed perfect elimination ordering (e.g., 1,2,3,...,n).

Table of values

n a(n)
1 1
2 2
3 7
4 39
5 324
6 3839
7 62973
8 1402792
9 41946319
10 1673580047
11 88922215948
12 6297931501377
13 596303138919753
14 75787556639822258
15 12991109500044250083
16 3018313885461813882295
17 955168488432838276254520
18 413639698066068492610331231
19 246197679553110860511406200613
20 202212713843977008653180874488520

List of values

[1, 2, 7, 39, 324, 3839, 62973, 1402792, 41946319, 1673580047, 88922215948, 6297931501377, 596303138919753, 75787556639822258, 12991109500044250083, 3018313885461813882295, 955168488432838276254520, 413639698066068492610331231, 246197679553110860511406200613, 202212713843977008653180874488520]

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

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