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.

A191903 Number of compositions of odd natural numbers into 4 parts <= n.

Table of values

n a(n)
0 0
1 8
2 40
3 128
4 312
5 648
6 1200
7 2048
8 3280
9 5000
10 7320
11 10368
12 14280
13 19208
14 25312
15 32768
16 41760
17 52488
18 65160
19 80000
20 97240
21 117128
22 139920
23 165888
24 195312
25 228488
26 265720
27 307328
28 353640
29 405000
30 461760
31 524288
32 592960
33 668168
34 750312

List of values

[0, 8, 40, 128, 312, 648, 1200, 2048, 3280, 5000, 7320, 10368, 14280, 19208, 25312, 32768, 41760, 52488, 65160, 80000, 97240, 117128, 139920, 165888, 195312, 228488, 265720, 307328, 353640, 405000, 461760, 524288, 592960, 668168, 750312]