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A317868 as a simple table

n a(n)
1 0
2 4
3 4
4 88
5 220
6 759
7 3303
8 11807
9 45995
10 161983
11 600598
12 2215104
13 8089252
14 30099028
15 109674718
16 406751671
17 1486387672
18 5496201882
19 20148470577
20 74325953662
21 272963769305
22 1005515372431
23 3696468960096
24 13607350428609

[0,4,4,88,220,759,3303,11807,45995,161983,600598,
 2215104,8089252,30099028,109674718,406751671,
 1486387672,5496201882,20148470577,74325953662,
 272963769305,1005515372431,3696468960096,
 13607350428609]

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)