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.

A368279 a(n) is the number of compositions of n where the first part is the largest part and the last part is not 1. Row sums of A368579.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 2
5 3
6 6
7 10
8 19
9 34
10 63
11 116
12 216
13 402
14 754
15 1417
16 2674
17 5061
18 9608
19 18286
20 34888
21 66706
22 127798
23 245284
24 471561
25 907964
26 1750695
27 3379992
28 6533458
29 12643162
30 24491796
31 47490688
32 92170704
33 179040096
34 348064190
35 677174709
36 1318429534
37 2568691317

List of values

[1, 0, 1, 1, 2, 3, 6, 10, 19, 34, 63, 116, 216, 402, 754, 1417, 2674, 5061, 9608, 18286, 34888, 66706, 127798, 245284, 471561, 907964, 1750695, 3379992, 6533458, 12643162, 24491796, 47490688, 92170704, 179040096, 348064190, 677174709, 1318429534, 2568691317]