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.

A320765 Number of ordered set partitions of [n] where the maximal block size equals nine.

Table of values

n a(n)
9 1
10 20
11 440
12 9680
13 220220
14 5229224
15 130069940
16 3392692160
17 92780281880
18 2657929522820
19 79670485645608
20 2495398380120360
21 81558207395885220
22 2777643033619233780
23 98440545801322467600
24 3625667341827832048176
25 138601954935720474004950
26 5492809832014657114548300

List of values

[1, 20, 440, 9680, 220220, 5229224, 130069940, 3392692160, 92780281880, 2657929522820, 79670485645608, 2495398380120360, 81558207395885220, 2777643033619233780, 98440545801322467600, 3625667341827832048176, 138601954935720474004950, 5492809832014657114548300]

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

Content is available under The OEIS End-User License Agreement.