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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.

A187646 (Signless) Central Stirling numbers of the first kind s(2n,n).

Table of values

n a(n)
0 1
1 1
2 11
3 225
4 6769
5 269325
6 13339535
7 790943153
8 54631129553
9 4308105301929
10 381922055502195
11 37600535086859745
12 4070384057007569521
13 480544558742733545125
14 61445535102359115635655
15 8459574446076318147830625
16 1247677142707273537964543265
17 196258640868140652967646352465

List of values

[1, 1, 11, 225, 6769, 269325, 13339535, 790943153, 54631129553, 4308105301929, 381922055502195, 37600535086859745, 4070384057007569521, 480544558742733545125, 61445535102359115635655, 8459574446076318147830625, 1247677142707273537964543265, 196258640868140652967646352465]

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

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