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A193931 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 73
5 501
6 3331
7 27553
8 253233
9 2540233
10 27340291
11 309811701
12 3843476473
13 50560182973
14 701098196163
15 10205952248521
16 155809733115361
17 2506135027165713
18 42013633806350083
19 732584456250306013
20 13270900741926553641
21 249625454707702681861

[1,1,3,13,73,501,3331,27553,253233,2540233,
 27340291,309811701,3843476473,50560182973,
 701098196163,10205952248521,155809733115361,
 2506135027165713,42013633806350083,
 732584456250306013,13270900741926553641,
 249625454707702681861]

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)