cp's OEIS Frontend

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.

A240742 Number of compositions of n having exactly seven fixed points.

Table of values

n a(n)
28 1
29 1
30 3
31 7
32 16
33 35
34 76
35 162
36 334
37 706
38 1457
39 2996
40 6130
41 12496
42 25383
43 51423
44 103937
45 209723
46 422418
47 849843
48 1707917
49 3429407
50 6881120
51 13798903
52 27657921
53 55414350
54 110989891
55 222243203
56 444916908
57 890536103
58 1782217460
59 3566301121
60 7135641348
61 14276228900

List of values

[1, 1, 3, 7, 16, 35, 76, 162, 334, 706, 1457, 2996, 6130, 12496, 25383, 51423, 103937, 209723, 422418, 849843, 1707917, 3429407, 6881120, 13798903, 27657921, 55414350, 110989891, 222243203, 444916908, 890536103, 1782217460, 3566301121, 7135641348, 14276228900]

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

Content is available under The OEIS End-User License Agreement.