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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.

A203163 (n-1)-st elementary symmetric function of the first n terms of (1,2,3,4,1,2,3,4,1,2,3,4,...) = A010883.

Table of values

n a(n)
1 1
2 3
3 11
4 50
5 74
6 172
7 564
8 2400
9 2976
10 6528
11 20736
12 86400
13 100224
14 214272
15 670464
16 2764800
17 3096576
18 6524928
19 20238336
20 82944000
21 90906624
22 189775872
23 585252864
24 2388787200
25 2579890176
26 5350883328
27 16434855936
28 66886041600

List of values

[1, 3, 11, 50, 74, 172, 564, 2400, 2976, 6528, 20736, 86400, 100224, 214272, 670464, 2764800, 3096576, 6524928, 20238336, 82944000, 90906624, 189775872, 585252864, 2388787200, 2579890176, 5350883328, 16434855936, 66886041600]

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

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