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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.

A224246 The number of n-permutations that have a unique smallest cycle and this cycle contains the element 1.

Table of values

n a(n)
1 1
2 1
3 3
4 8
5 41
6 194
7 1309
8 9022
9 79057
10 689588
11 7462601
12 80632826
13 1021071193
14 13120783948
15 192752054377
16 2848878770774
17 47617784530529
18 800500650553472
19 14910497765819137
20 281133366288649138
21 5803224036600349801
22 120681837753825004796
23 2734647516979262677673
24 62424209302423879016558
25 1535507329367939907583057

List of values

[1, 1, 3, 8, 41, 194, 1309, 9022, 79057, 689588, 7462601, 80632826, 1021071193, 13120783948, 192752054377, 2848878770774, 47617784530529, 800500650553472, 14910497765819137, 281133366288649138, 5803224036600349801, 120681837753825004796, 2734647516979262677673, 62424209302423879016558, 1535507329367939907583057]

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

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