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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.

A255947 Number of collections of nonempty multisets with a total of n objects of exactly seven colors.

Table of values

n a(n)
7 877
8 18270
9 216006
10 1904301
11 13921922
12 89193846
13 517625311
14 2780643510
15 14036460424
16 67312339598
17 309183689612
18 1368888648981
19 5871001466715
20 24489742456347
21 99677744039362
22 396936924677881
23 1549990268577100
24 5946246979402065
25 22447258891006950

List of values

[877, 18270, 216006, 1904301, 13921922, 89193846, 517625311, 2780643510, 14036460424, 67312339598, 309183689612, 1368888648981, 5871001466715, 24489742456347, 99677744039362, 396936924677881, 1549990268577100, 5946246979402065, 22447258891006950]

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

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