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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.

A000478 Number of ways of placing n labeled balls into 3 indistinguishable boxes with at least 2 balls in each box.

Table of values

n a(n)
6 15
7 105
8 490
9 1918
10 6825
11 22935
12 74316
13 235092
14 731731
15 2252341
16 6879678
17 20900922
18 63259533
19 190957923
20 575363776
21 1731333808
22 5205011031
23 15638101281
24 46962537810
25 140988276150
26 423174543025
27 1269959836015
28 3810785476980
29 11434235478348
30 34306598748315
31 102927849307725

List of values

[15, 105, 490, 1918, 6825, 22935, 74316, 235092, 731731, 2252341, 6879678, 20900922, 63259533, 190957923, 575363776, 1731333808, 5205011031, 15638101281, 46962537810, 140988276150, 423174543025, 1269959836015, 3810785476980, 11434235478348, 34306598748315, 102927849307725]

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

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