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.

A255944 Number of collections of nonempty multisets with a total of n objects of exactly four colors.

Table of values

n a(n)
4 15
5 144
6 848
7 3936
8 15800
9 57420
10 194034
11 619912
12 1894152
13 5579536
14 15939998
15 44363268
16 120707904
17 321973720
18 843826794
19 2176829360
20 5535969328
21 13896678404
22 34470255256
23 84565452840
24 205353216490
25 493934650180
26 1177496577964
27 2783578273632
28 6528396084669

List of values

[15, 144, 848, 3936, 15800, 57420, 194034, 619912, 1894152, 5579536, 15939998, 44363268, 120707904, 321973720, 843826794, 2176829360, 5535969328, 13896678404, 34470255256, 84565452840, 205353216490, 493934650180, 1177496577964, 2783578273632, 6528396084669]

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

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