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A189605 as a simple table

n a(n)
1 1
2 13
3 72
4 464
5 2853
6 17617
7 108785
8 671452
9 4144996
10 25586605
11 157944449
12 974979853
13 6018479996
14 37151644524
15 229334423389
16 1415664871777
17 8738797243193
18 53943965676260
19 332992213004236
20 2055536935944305

[1,13,72,464,2853,17617,108785,671452,4144996,
 25586605,157944449,974979853,6018479996,
 37151644524,229334423389,1415664871777,
 8738797243193,53943965676260,332992213004236,
 2055536935944305]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)