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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.

A240743 Number of compositions of n having exactly eight fixed points.

Table of values

n a(n)
36 1
37 1
38 3
39 7
40 16
41 35
42 76
43 162
44 342
45 706
46 1474
47 3030
48 6207
49 12660
50 25739
51 52174
52 105516
53 212972
54 429169
55 863721
56 1736237
57 3487091
58 6998235
59 14036039
60 28137051
61 56380699
62 112936022
63 226157834
64 452782897
65 906328973
66 1813903281
67 3629837847
68 7262985540
69 14531361628

List of values

[1, 1, 3, 7, 16, 35, 76, 162, 342, 706, 1474, 3030, 6207, 12660, 25739, 52174, 105516, 212972, 429169, 863721, 1736237, 3487091, 6998235, 14036039, 28137051, 56380699, 112936022, 226157834, 452782897, 906328973, 1813903281, 3629837847, 7262985540, 14531361628]

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

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