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A088930 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 23
5 67
6 220
7 795
8 3086
9 12633
10 53844
11 236833
12 1068313
13 4919512
14 23047579
15 109563206
16 527401808
17 2566472416
18 12608536729
19 62465984781
20 311796289951
21 1566778163225
22 7920718997762
23 40261922412697
24 205675725994566

[1,2,4,9,23,67,220,795,3086,12633,53844,236833,
 1068313,4919512,23047579,109563206,527401808,
 2566472416,12608536729,62465984781,311796289951,
 1566778163225,7920718997762,40261922412697,
 205675725994566]

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Last modified February 24 17:27 EST 2024. Contains 370307 sequences. (Running on oeis4.)