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.

A323120 Number of compositions of n where the difference between largest and smallest parts equals three.

Table of values

n a(n)
3 0
4 0
5 2
6 3
7 12
8 23
9 58
10 123
11 266
12 557
13 1168
14 2400
15 4911
16 9982
17 20196
18 40643
19 81499
20 162899
21 324678
22 645404
23 1280042
24 2533565
25 5005449
26 9872464
27 19442206
28 38234945
29 75096856
30 147324049
31 288705896
32 565201569
33 1105475313
34 2160338661
35 4218403428
36 8230986025

List of values

[0, 0, 2, 3, 12, 23, 58, 123, 266, 557, 1168, 2400, 4911, 9982, 20196, 40643, 81499, 162899, 324678, 645404, 1280042, 2533565, 5005449, 9872464, 19442206, 38234945, 75096856, 147324049, 288705896, 565201569, 1105475313, 2160338661, 4218403428, 8230986025]

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

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