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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.

A330503 Number of Sós permutations of {0,1,...,n}.

Table of values

n a(n)
1 2
2 6
3 16
4 30
5 60
6 84
7 144
8 198
9 280
10 352
11 504
12 598
13 812
14 960
15 1152
16 1360
17 1728
18 1938
19 2400
20 2688
21 3080
22 3450
23 4128
24 4500
25 5200
26 5724
27 6440
28 7018
29 8100
30 8618
31 9856
32 10692
33 11696
34 12600
35 13824
36 14652
37 16416
38 17550
39 18960
40 20090
41 22260
42 23306
43 25696
44 27180
45 28888

List of values

[2, 6, 16, 30, 60, 84, 144, 198, 280, 352, 504, 598, 812, 960, 1152, 1360, 1728, 1938, 2400, 2688, 3080, 3450, 4128, 4500, 5200, 5724, 6440, 7018, 8100, 8618, 9856, 10692, 11696, 12600, 13824, 14652, 16416, 17550, 18960, 20090, 22260, 23306, 25696, 27180, 28888]

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

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