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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.

A070071 a(n) = n*B(n), where B(n) are the Bell numbers, A000110.

Table of values

n a(n)
0 0
1 1
2 4
3 15
4 60
5 260
6 1218
7 6139
8 33120
9 190323
10 1159750
11 7464270
12 50563164
13 359377681
14 2672590508
15 20744378175
16 167682274352
17 1408702786668
18 12277382510862
19 110822101896083
20 1034483164707440
21 9972266139291771
22 99147746245841106
23 1015496134666939958

List of values

[0, 1, 4, 15, 60, 260, 1218, 6139, 33120, 190323, 1159750, 7464270, 50563164, 359377681, 2672590508, 20744378175, 167682274352, 1408702786668, 12277382510862, 110822101896083, 1034483164707440, 9972266139291771, 99147746245841106, 1015496134666939958]

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

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