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.

A091619 Number of compositions (ordered partitions) of n such that some part is repeated consecutively 5 times and no part is repeated consecutively more than 5 times.

Table of values

n a(n)
5 1
6 0
7 2
8 4
9 9
10 21
11 46
12 98
13 213
14 459
15 979
16 2082
17 4408
18 9294
19 19535
20 40937
21 85561
22 178392
23 371131
24 770556
25 1596936
26 3303986
27 6825163
28 14078718
29 29002331
30 59670920
31 122627798
32 251735331
33 516247636
34 1057687986
35 2165046327
36 4428017780
37 9049083763
38 18478717262

List of values

[1, 0, 2, 4, 9, 21, 46, 98, 213, 459, 979, 2082, 4408, 9294, 19535, 40937, 85561, 178392, 371131, 770556, 1596936, 3303986, 6825163, 14078718, 29002331, 59670920, 122627798, 251735331, 516247636, 1057687986, 2165046327, 4428017780, 9049083763, 18478717262]

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

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