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.

A255954 Number of collections of nonempty multisets with a total of n+4 objects of exactly n colors.

Table of values

n a(n)
0 0
1 7
2 127
3 1518
4 15800
5 154410
6 1470702
7 13921922
8 132465058
9 1275540777
10 12482994680
11 124488408308
12 1267192059423
13 13179257452283
14 140124528853582
15 1523425278785190
16 16936782395913056
17 192530701636263004
18 2237390160167413881
19 26572938927762778750

List of values

[0, 7, 127, 1518, 15800, 154410, 1470702, 13921922, 132465058, 1275540777, 12482994680, 124488408308, 1267192059423, 13179257452283, 140124528853582, 1523425278785190, 16936782395913056, 192530701636263004, 2237390160167413881, 26572938927762778750]

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

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