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A118356 as a simple table

n a(n)
1 1
2 3
3 15
4 83
5 486
6 2967
7 18748
8 121725
9 807381
10 5447203
11 37264974
12 257896500
13 1802312605
14 12701190885
15 90157130289
16 644022007040
17 4626159163233

[1,3,15,83,486,2967,18748,121725,807381,5447203,
 37264974,257896500,1802312605,12701190885,
 90157130289,644022007040,4626159163233]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)