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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.

A308817 Total number of parts in all m-color dihedral compositions of n (that is, the total number of parts in all dihedral compositions of n where a part of size m may be colored with one of m colors).

Table of values

n a(n)
1 1
2 4
3 10
4 26
5 56
6 138
7 299
8 726
9 1686
10 4158
11 10130
12 25678
13 64725
14 166538
15 428456
16 1112226
17 2888604
18 7533750
19 19653903
20 51367462
21 134277878
22 351284164
23 919080550
24 2405427698
25 6295780309
26 16480373968
27 43141303978
28 112939105716
29 295664584064
30 774042041090
31 2026429360115
32 5305210333758

List of values

[1, 4, 10, 26, 56, 138, 299, 726, 1686, 4158, 10130, 25678, 64725, 166538, 428456, 1112226, 2888604, 7533750, 19653903, 51367462, 134277878, 351284164, 919080550, 2405427698, 6295780309, 16480373968, 43141303978, 112939105716, 295664584064, 774042041090, 2026429360115, 5305210333758]

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

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