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A222058 as a simple table

n a(n)
0 0
1 1
2 4
3 21
4 138
5 1095
6 10208
7 109473
8 1328470
9 18003675
10 269580492
11 4420677525
12 78801184322
13 1517300654415
14 31386251780536
15 694190761402377
16 16348768018619694
17 408472183061464515
18 10791720442056792740
19 300605598797790229629
20 8805117712245004098586
21 270562051319419652165175
22 8702576800277309526639504
23 292425620801795849417200881

[0,1,4,21,138,1095,10208,109473,1328470,18003675,
 269580492,4420677525,78801184322,1517300654415,
 31386251780536,694190761402377,16348768018619694,
 408472183061464515,10791720442056792740,
 300605598797790229629,8805117712245004098586,
 270562051319419652165175,
 8702576800277309526639504,
 292425620801795849417200881]

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Last modified March 28 14:20 EDT 2024. Contains 371254 sequences. (Running on oeis4.)