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.

A375140 Number of integer compositions of n whose leaders of weakly increasing runs are not strictly decreasing.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 3
6 10
7 26
8 65
9 151
10 343
11 750
12 1614
13 3410
14 7123
15 14724
16 30220
17 61639
18 125166
19 253233
20 510936
21 1028659
22 2067620
23 4150699
24 8324552
25 16683501
26 33417933
27 66910805
28 133931495
29 268023257
30 536279457
31 1072895973
32 2146277961
33 4293254010
34 8587507415

List of values

[0, 0, 0, 1, 3, 10, 26, 65, 151, 343, 750, 1614, 3410, 7123, 14724, 30220, 61639, 125166, 253233, 510936, 1028659, 2067620, 4150699, 8324552, 16683501, 33417933, 66910805, 133931495, 268023257, 536279457, 1072895973, 2146277961, 4293254010, 8587507415]

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

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