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.

A180284 Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 4.

Table of values

n a(n)
4 4
5 20
6 90
7 392
8 1652
9 6804
10 27600
11 110715
12 440374
13 1740024
14 6838832
15 26762645
16 104356980
17 405706292
18 1573256772
19 6087597150
20 23511579564
21 90659983064
22 349090305487
23 1342531370565
24 5157512878694
25 19794331541270
26 75905591609120
27 290857683782250
28 1113774550930080

List of values

[4, 20, 90, 392, 1652, 6804, 27600, 110715, 440374, 1740024, 6838832, 26762645, 104356980, 405706292, 1573256772, 6087597150, 23511579564, 90659983064, 349090305487, 1342531370565, 5157512878694, 19794331541270, 75905591609120, 290857683782250, 1113774550930080]

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

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