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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.

A241694 Number of Carlitz compositions of n with exactly four descents.

Table of values

n a(n)
12 5
13 22
14 72
15 204
16 510
17 1168
18 2516
19 5140
20 10054
21 18976
22 34707
23 61776
24 107374
25 182697
26 304982
27 500455
28 808462
29 1287499
30 2023697
31 3142604
32 4825797
33 7333862
34 11037829
35 16462497
36 24345385
37 35716339
38 52005295
39 75186849
40 107973181
41 154071381
42 218524581
43 308162131

List of values

[5, 22, 72, 204, 510, 1168, 2516, 5140, 10054, 18976, 34707, 61776, 107374, 182697, 304982, 500455, 808462, 1287499, 2023697, 3142604, 4825797, 7333862, 11037829, 16462497, 24345385, 35716339, 52005295, 75186849, 107973181, 154071381, 218524581, 308162131]

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

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